R. A. Montgomery - The CLAS Collaboration

R. A. Montgomery
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R. A. Montgomery
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The CLAS Collaboration
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Nuclear Experiment (21)
 
Mathematics - Dynamical Systems (13)
 
Mathematics - Combinatorics (9)
 
Physics - Instrumentation and Detectors (6)
 
High Energy Physics - Experiment (5)
 
Mathematics - Differential Geometry (5)
 
Mathematics - Mathematical Physics (4)
 
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Physics - Mesoscopic Systems and Quantum Hall Effect (2)
 
High Energy Physics - Phenomenology (2)
 
Quantum Physics (1)
 
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Statistics - Machine Learning (1)
 
Nonlinear Sciences - Exactly Solvable and Integrable Systems (1)
 
Mathematics - Metric Geometry (1)
 
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Publications Authored By R. A. Montgomery

2017May
Authors: D. Ho, P. Peng, C. Bass, P. Collins, A. D'Angelo, A. Deur, J. Fleming, C. Hanretty, T. Kageya, M. Khandaker, F. J. Klein, E. Klempt, V. Laine, M. M. Lowry, H. Lu, C. Nepali, V. A. Nikonov, T. O'Connell, A. M. Sandorfi, A. V. Sarantsev, R. A. Schumacher, I. I. Strakovsky, A. Švarc, N. K. Walford, X. Wei, C. S. Whisnant, R. L. Workman, I. Zonta, K. P. Adhikari, D. Adikaram, Z. Akbar, M. J. Amaryan, S. Anefalos Pereira, H. Avakian, J. Ball, M. Bashkanov, M. Battaglieri, V. Batourine, I. Bedlinskiy, W. J. Briscoe, V. D. Burkert, D. S. Carman, A. Celentano, G. Charles, T. Chetry, G. Ciullo, L. Clark, L. Colaneri, P. L. Cole, M. Contalbrigo, V. Crede, N. Dashyan, E. De Sanctis, R. De Vita, C. Djalali, R. Dupre, A. El Alaoui, L. El Fassi, L. Elouadrhiri, G. Fedotov, S. Fegan, R. Fersch, A. Filippi, A. Fradi, Y. Ghandilyan, G. P. Gilfoyle, F. X. Girod, D. I. Glazier, C. Gleason, W. Gohn, E. Golovatch, R. W. Gothe, K. A. Griffioen, M. Guidal, L. Guo, H. Hakobyan, N. Harrison, K. Hicks, M. Holtrop, S. M. Hughes, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, D. Jenkins, H. Jiang, H. S. Jo, K. Joo, S. Joosten, D. Keller, G. Khachatryan, A. Kim, W. Kim, A. Klein, V. Kubarovsky, S. V. Kuleshov, L. Lanza, P. Lenisa, K. Livingston, I . J . D. MacGregor, N. Markov, B. McKinnon, T. Mineeva, V. Mokeev, R. A. Montgomery, A Movsisyan, C. Munoz Camacho, G. Murdoch, S. Niccolai, G. Niculescu, M. Osipenko, M. Paolone, R. Paremuzyan, K. Park, E. Pasyuk, W. Phelps, O. Pogorelko, J. W. Price, S. Procureur, D. Protopopescu, M. Ripani, D. Riser, B. G. Ritchie, A. Rizzo, G. Rosner, F. Sabatié, C. Salgado, Y. G. Sharabian, Iu. Skorodumina, G. D. Smith, D. I. Sober, D. Sokhan, N. Sparveris, S. Strauch, Ye Tian, B. Torayev, M. Ungaro, H. Voskanyan, D. P. Watts, M. H. Wood, N. Zachariou, J. Zhang, Z. W. Zhao

We report the first beam-target double-polarization asymmetries in the $\gamma + n(p) \rightarrow \pi^- + p(p)$ reaction spanning the nucleon resonance region from invariant mass $W$= $1500$ to $2300$ MeV. Circularly polarized photons and longitudinally polarized deuterons in $H\!D$ have been used with the CLAS detector at Jefferson Lab. The exclusive final state has been extracted using three very different analyses that show excellent agreement, and these have been used to deduce the {\it{E}} polarization observable for an effective neutron target. Read More

Free time minimizers of the action (called"semi-static" solutions by Ma\~ne) play a central role in the theory of weak KAM solutions to the Hamilton-Jacobi equation (see Fathi). We prove that any solution to Newton's three-body problem which is asymptotic to Lagrange's parabolic homothetic solution is eventually a free time minimizer. Conversely, we prove that every free time minimizer tends to Lagrange's solution, provided the mass ratios lie in a certain large open set of mass ratios. Read More

In this short note, we study pairwise edge-disjoint rainbow spanning trees in properly edge-coloured complete graphs, where a graph is rainbow if its edges have distinct colours. Brualdi and Hollingsworth conjectured that every $K_n$ properly edge-coloured by $n-1$ colours has $n/2$ edge-disjoint rainbow spanning trees. Kaneko, Kano and Suzuki later suggested this should hold for every properly edge-coloured $K_n$. Read More

2017Mar
Authors: CLAS Collaboration, I. Bedlinskiy, V. Kubarovsky, P. Stoler, K. P. Adhikari, Z. Akbar, S. Anefalos Pereira, H. Avakian, J. Ball, N. A. Baltzell, M. Battaglieri, V. Batourine, A. S. Biselli, S. Boiarinov, W. J. Briscoe, V. D. Burkert, T. Cao, D. S. Carman, A. Celentano, S. Chandavar, G. Charles, G. Ciullo, L. Clark, L. Colaneri, P. L. Cole, M. Contalbrigo, V. Crede, A. D'Angelo, N. Dashyan, R. De Vita, E. De Sanctis, A. Deur, C. Djalali, R. Dupre, A. El Alaoui, L. El Fassi, L. Elouadrhiri, P. Eugenio, E. Fanchini, G. Fedotov, R. Fersch, A. Filippi, J. A. Fleming, T. A. Forest, M. Garçon, N. Gevorgyan, Y. Ghandilyan, G. P. Gilfoyle, K. L. Giovanetti, F. X. Girod, C. Gleason, E. Golovatch, R. W. Gothe, K. A. Griffioen, M. Guidal, L. Guo, K. Hafidi, H. Hakobyan, C. Hanretty, N. Harrison, M. Hattawy, K. Hicks, S. M. Hughes, C. E. Hyde, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, D. Jenkins, H. Jiang, H. S. Jo, K. Joo, S. Joosten, D. Keller, G. Khachatryan, M. Khachatryan, M. Khandaker, A. Kim, W. Kim, F. J. Klein, S. E. Kuhn, S. V. Kuleshov, L. Lanza, P. Lenisa, K. Livingston, I. J. D. MacGregor, N. Markov, B. McKinnon, Z. E. Meziani, M. Mirazita, V. Mokeev, R. A. Montgomery, A. Movsisyan, C. Munoz Camacho, P. Nadel-Turonski, L. A. Net, A. Ni, S. Niccolai, G. Niculescu, M. Osipenko, A. I. Ostrovidov, M. Paolone, R. Paremuzyan, K. Park, E. Pasyuk, P. Peng, W. Phelps, S. Pisano, O. Pogorelko, J. W. Price, Y. Prok, D. Protopopescu, A. J. R. Puckett, B. A. Raue, M. Ripani, A. Rizzo, G. Rosner, P. Rossi, P. Roy, F. Sabatié, M. S. Saini, C. Salgado, R. A. Schumacher, Y. G. Sharabian, Iu. Skorodumina, G. D. Smith, D. Sokhan, N. Sparveris, S. Stepanyan, I. I. Strakovsky, S. Strauch, M. Taiuti, Ye Tian, B. Torayev, M. Turisini, M. Ungaro, H. Voskanyan, E. Voutier, N. K. Walford, D. P. Watts, X. Wei, L. B. Weinstein, M. H. Wood, M. Yurov, N. Zachariou, J. Zhang, I. Zonta

The cross section of the exclusive $\eta$ electroproduction reaction $ep\to e^\prime p^\prime \eta$ was measured at Jefferson Lab with a 5.75-GeV electron beam and the CLAS detector. Differential cross sections $d^4\sigma/dtdQ^2dx_Bd\phi_\eta$ and structure functions $\sigma_U = \sigma_T+\epsilon\sigma_L, \sigma_{TT}$ and $\sigma_{LT}$, as functions of $t$ were obtained over a wide range of $Q^2$ and $x_B$. Read More

2017Mar
Authors: P. Collins, B. G. Ritchie, M. Dugger, A. V. Anisovich, M. Döring, E. Klempt, V. A. Nikonov, D. Rönchen, D. Sadasivan, A. Sarantsev, K. P. Adhikaria, Z. Akbar, M. J. Amaryana, S. Anefalos Pereira, H. Avakiana, J. Ball, I. Balossino, M. Bashkanova, M. Battaglieri, I. Bedlinskiy, A. S. Bisellik, W. J. Briscoe, W. K. Brooks, V. D. Burkert, Frank Thanh Cao, D. S. Carman, A. Celentano, S. Chandavar, G. Charles, T. Chetry, G. Ciullo, L. Clark, L. Colaneri, P. L. Cole, N. Compton, M. Contalbrigo, O. Cortes, V. Crede, A. D'Angelo, N. Dashyan, R. De Vita, E. De Sanctis, A. Deur, C. Djalali, R. Dupre, H. Egiyan, A. El Alaoui, L. El Fassi, L. Elouadrhiri, P. Eugenio, E. Fanchini, G. Fedotov, A. Filippi, J. A. Fleming, Y. Ghandilyan, G. P. Gilfoyle, K. L. Giovanetti, F. X. Girod, D. I. Glazier, C. Gleason, E. Golovatch, R. W. Gothe, K. A. Griffioen, L. Guo, K. Hafidi, H. Hakobyan, C. Hanretty, N. Harrison, D. Heddle, K. Hicks, M. Holtrop, S. M. Hughes, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, D. Jenkins, H. S. Jo, S. Joosten, D. Keller, G. Khachatryan, M. Khachatryan, M. Khandaker, A. Kim, W. Kim, A. Klein, F. J. Klein, V. Kubarovsky, L. Lanza, P. Lenisa, K. Livingston, I. J. D. MacGregor, N. Markov, B. McKinnon, C. A. Meyer, M. Mirazita, V. Mokeev, R. A. Montgomery, A Movsisyan, C. Munoz Camacho, G. Murdoch, P. Nadel-Turonski, S. Niccolai, G. Niculescu, I. Niculescu, M. Osipenko, A. I. Ostrovidov, M. Paolone, R. Paremuzyan, K. Park, E. Pasyuk, W. Phelps, S. Pisano, O. Pogorelko, J. W. Price, Y. Prok, D. Protopopescu, B. A. Raue, M. Ripani, A. Rizzo, G. Rosner, P. Roy, F. Sabatié, C. Salgado, R. A. Schumacher, Y. G. Sharabian, Iu. Skorodumina, G. D. Smith, D. Sokhan, N. Sparveris, S. Stepanyan, I. I. Strakovsky, S. Strauch, M. Taiuti, Ye Tian, B. Torayev, M. Ungaro, H. Voskanyan, E. Voutier, N. K. Walford, X. Wei, N. Zachariou, J. Zhang

Measurements of the linearly-polarized photon beam asymmetry $\Sigma$ for photoproduction from the proton of $\eta$ and $\eta^\prime$ mesons are reported. A linearly-polarized tagged photon beam produced by coherent bremsstrahlung was incident on a cryogenic hydrogen target within the CEBAF Large Acceptance Spectrometer. Results are presented for the $\gamma p \to \eta p$ reaction for incident photon energies from 1. Read More

2016Nov
Authors: P. E. Bosted1, A. Kim2, K. P. Adhikari3, D. Adikaram4, Z. Akbar5, M. J. Amaryan6, S. Anefalos Pereira7, H. Avakian8, R. A. Badui9, J. Ball10, I. Balossino11, M. Battaglieri12, I. Bedlinskiy13, A. S. Biselli14, S. Boiarinov15, W. J. Briscoe16, W. K. Brooks17, S. Bültmann18, V. D. Burkert19, T. Cao20, D. S. Carman21, A. Celentano22, S. Chandavar23, G. Charles24, T. Chetry25, G. Ciullo26, L. Clark27, L. Colaneri28, P. L. Cole29, M. Contalbrigo30, O. Cortes31, V. Crede32, A. D'Angelo33, N. Dashyan34, R. De Vita35, E. De Sanctis36, A. Deur37, C. Djalali38, R. Dupre39, H. Egiyan40, A. El Alaoui41, L. El Fassi42, L. Elouadrhiri43, P. Eugenio44, E. Fanchini45, G. Fedotov46, S. Fegan47, R. Fersch48, A. Filippi49, J. A. Fleming50, T. A. Forest51, A. Fradi52, Y. Ghandilyan53, G. P. Gilfoyle54, F. X. Girod55, D. I. Glazier56, W. Gohn57, E. Golovatch58, R. W. Gothe59, K. A. Griffioen60, M. Guidal61, N. Guler62, H. Hakobyan63, L. Guo64, K. Hafidi65, H. Hakobyan66, C. Hanretty67, N. Harrison68, M. Hattawy69, D. Heddle70, K. Hicks71, G. Hollis72, M. Holtrop73, S. M. Hughes74, D. G. Ireland75, E. L. Isupov76, D. Jenkins77, H. Jiang78, H. S. Jo79, K. Joo80, D. Keller81, G. Khachatryan82, M. Khandaker83, W. Kim84, A. Klei85, F. J. Klein86, S. Koirala87, V. Kubarovsky88, S. E. Kuhn89, L. Lanza90, P. Lenisa91, K. Livingston92, H. Y. Lu93, I. J. D. MacGregor94, N. Markov95, M. Mayer96, M. E. McCracken97, B. McKinnon98, T. Mineeva99, M. Mirazita100, V. I. Mokeev101, R. A. Montgomery102, A Movsisyan103, C. Munoz Camacho104, G. Murdoch105, P. Nadel-Turonski106, A. Ni107, S. Niccolai108, G. Niculescu109, M. Osipenko110, A. I. Ostrovidov111, M. Paolone112, R. Paremuzyan113, K. Park114, E. Pasyuk115, W. Phelps116, S. Pisano117, O. Pogorelko118, J. W. Price119, Y. Prok120, D. Protopopescu121, A. J. R. Puckett122, B. A. Raue123, M. Ripani124, A. Rizzo125, G. Rosner126, P. Rossi127, P. Roy128, F. Sabatié129, M. S. Saini130, R. A. Schumacher131, E. Seder132, Y. G. Sharabian133, Iu. Skorodumina134, G. D. Smith135, D. Sokhan136, N. Sparveris137, I. Stankovic138, S. Stepanyan139, P. Stoler140, I. I. Strakovsky141, S. Strauch142, M. Taiuti143, Ye Tian144, B. Torayev145, M. Ungaro146, H. Voskanyan147, E. Voutier148, N. K. Walford149, D. P. Watts150, X. Wei151, L. B. Weinstein152, N. Zachariou153, J. Zhang154, Z. W. Zhao155, I. Zonta156
Affiliations: 1The CLAS Collaboration, 2The CLAS Collaboration, 3The CLAS Collaboration, 4The CLAS Collaboration, 5The CLAS Collaboration, 6The CLAS Collaboration, 7The CLAS Collaboration, 8The CLAS Collaboration, 9The CLAS Collaboration, 10The CLAS Collaboration, 11The CLAS Collaboration, 12The CLAS Collaboration, 13The CLAS Collaboration, 14The CLAS Collaboration, 15The CLAS Collaboration, 16The CLAS Collaboration, 17The CLAS Collaboration, 18The CLAS Collaboration, 19The CLAS Collaboration, 20The CLAS Collaboration, 21The CLAS Collaboration, 22The CLAS Collaboration, 23The CLAS Collaboration, 24The CLAS Collaboration, 25The CLAS Collaboration, 26The CLAS Collaboration, 27The CLAS Collaboration, 28The CLAS Collaboration, 29The CLAS Collaboration, 30The CLAS Collaboration, 31The CLAS Collaboration, 32The CLAS Collaboration, 33The CLAS Collaboration, 34The CLAS Collaboration, 35The CLAS Collaboration, 36The CLAS Collaboration, 37The CLAS Collaboration, 38The CLAS Collaboration, 39The CLAS Collaboration, 40The CLAS Collaboration, 41The CLAS Collaboration, 42The CLAS Collaboration, 43The CLAS Collaboration, 44The CLAS Collaboration, 45The CLAS Collaboration, 46The CLAS Collaboration, 47The CLAS Collaboration, 48The CLAS Collaboration, 49The CLAS Collaboration, 50The CLAS Collaboration, 51The CLAS Collaboration, 52The CLAS Collaboration, 53The CLAS Collaboration, 54The CLAS Collaboration, 55The CLAS Collaboration, 56The CLAS Collaboration, 57The CLAS Collaboration, 58The CLAS Collaboration, 59The CLAS Collaboration, 60The CLAS Collaboration, 61The CLAS Collaboration, 62The CLAS Collaboration, 63The CLAS Collaboration, 64The CLAS Collaboration, 65The CLAS Collaboration, 66The CLAS Collaboration, 67The CLAS Collaboration, 68The CLAS Collaboration, 69The CLAS Collaboration, 70The CLAS Collaboration, 71The CLAS Collaboration, 72The CLAS Collaboration, 73The CLAS Collaboration, 74The CLAS Collaboration, 75The CLAS Collaboration, 76The CLAS Collaboration, 77The CLAS Collaboration, 78The CLAS Collaboration, 79The CLAS Collaboration, 80The CLAS Collaboration, 81The CLAS Collaboration, 82The CLAS Collaboration, 83The CLAS Collaboration, 84The CLAS Collaboration, 85The CLAS Collaboration, 86The CLAS Collaboration, 87The CLAS Collaboration, 88The CLAS Collaboration, 89The CLAS Collaboration, 90The CLAS Collaboration, 91The CLAS Collaboration, 92The CLAS Collaboration, 93The CLAS Collaboration, 94The CLAS Collaboration, 95The CLAS Collaboration, 96The CLAS Collaboration, 97The CLAS Collaboration, 98The CLAS Collaboration, 99The CLAS Collaboration, 100The CLAS Collaboration, 101The CLAS Collaboration, 102The CLAS Collaboration, 103The CLAS Collaboration, 104The CLAS Collaboration, 105The CLAS Collaboration, 106The CLAS Collaboration, 107The CLAS Collaboration, 108The CLAS Collaboration, 109The CLAS Collaboration, 110The CLAS Collaboration, 111The CLAS Collaboration, 112The CLAS Collaboration, 113The CLAS Collaboration, 114The CLAS Collaboration, 115The CLAS Collaboration, 116The CLAS Collaboration, 117The CLAS Collaboration, 118The CLAS Collaboration, 119The CLAS Collaboration, 120The CLAS Collaboration, 121The CLAS Collaboration, 122The CLAS Collaboration, 123The CLAS Collaboration, 124The CLAS Collaboration, 125The CLAS Collaboration, 126The CLAS Collaboration, 127The CLAS Collaboration, 128The CLAS Collaboration, 129The CLAS Collaboration, 130The CLAS Collaboration, 131The CLAS Collaboration, 132The CLAS Collaboration, 133The CLAS Collaboration, 134The CLAS Collaboration, 135The CLAS Collaboration, 136The CLAS Collaboration, 137The CLAS Collaboration, 138The CLAS Collaboration, 139The CLAS Collaboration, 140The CLAS Collaboration, 141The CLAS Collaboration, 142The CLAS Collaboration, 143The CLAS Collaboration, 144The CLAS Collaboration, 145The CLAS Collaboration, 146The CLAS Collaboration, 147The CLAS Collaboration, 148The CLAS Collaboration, 149The CLAS Collaboration, 150The CLAS Collaboration, 151The CLAS Collaboration, 152The CLAS Collaboration, 153The CLAS Collaboration, 154The CLAS Collaboration, 155The CLAS Collaboration, 156The CLAS Collaboration

Beam-target double-spin asymmetries and target single-spin asymmetries were measured for the exclusive $\pi^0$ electroproduction reaction $\gamma^* p \to p \pi^0$, expanding an analysis of the $\gamma^* p \to n \pi^+$ reaction from the same experiment. The results were obtained from scattering of 6 GeV longitudinally polarized electrons off longitudinally polarized protons using the CEBAF Large Acceptance Spectrometer at Jefferson Lab. The kinematic range covered is $1. Read More

Sources of variability in experimentally derived data include measurement error in addition to the physical phenomena of interest. This measurement error is a combination of systematic components, originating from the measuring instrument, and random measurement errors. Several novel biological technologies, such as mass cytometry and single-cell RNA-seq, are plagued with systematic errors that may severely affect statistical analysis if the data is not properly calibrated. Read More

We construct the hyperbolic plane with its geodesic flow as the scale plus symmetry reduction of a three-body problem in the Euclidean plane. The potential is $-I/\Delta^2$ where $I$ is the triangle's moment of inertia and $\Delta$ its area. The reduction method uses the Jacobi-Maupertuis metric, following the author's earlier paper "Putting Hyperbolic Pants on a Three-body Problem". Read More

We propose a new method for absolute momentum calibration of magnetic spectrometers used in nuclear physics, using the time-of-flight (TOF), differences of pairs of particles with different masses. In cases where the flight path is not known, a calibration can be determined by using the TOF differences of two pair combinations of three particles. A Cherenkov detector, read out by a radio frequency photomultiplier tube, is considered as the high-resolution and highly stable TOF detector. Read More

2016Jul
Authors: P. E. Bosted1, M. J. Amaryan2, S. Anefalos Pereira3, H. Avakian4, R. A. Badui5, J. Ball6, N. A. Baltzell7, M. Battaglieri8, V. Batourine9, I. Bedlinskiy10, A. S. Biselli11, W. J. Briscoe12, S. Bültmann13, V. D. Burkert14, D. S. Carman15, A. Celentano16, S. Chandavar17, G. Charles18, L. Clark19, L. Colaneri20, P. L. Cole21, M. Contalbrigo22, V. Crede23, A. D'Angelo24, R. De Vita25, A. Deur26, E. De Sanctis27, C. Djalali28, R. Dupre29, H. Egiyan30, A. El Alaoui31, L. El Fassi32, L. Elouadrhiri33, P. Eugenio34, E. Fanchini35, G. Fedotov36, A. Filippi37, J. A. Fleming38, T. Forest39, A. Fradi40, N. Gevorgyan41, G. P. Gilfoyle42, F. X. Girod43, C. Gleason44, W. Gohn45, E. Golovatch46, R. W. Gothe47, K. A. Griffioen48, M. Guidal49, H. Hakobyan50, M. Hattawy51, K. Hicks52, M. Holtrop53, S. M. Hughes54, Y. Ilieva55, D. G. Ireland56, B. S. Ishkhanov57, E. L. Isupov58, H. Jiang59, H. S. Jo60, K. Joo61, S. Joosten62, G. Khachatryan63, M. Khandaker64, A. Kim65, W. Kim66, F. J. Klein67, S. Koirala68, V. Kubarovsky69, S. E. Kuhn70, L. Lanza71, L. A. Net72, P. Lenisa73, K. Livingston74, I. J. D. MacGregor75, M. E. McCracken76, B. McKinnon77, C. A. Meyer78, M. Mirazita79, V. I. Mokeev80, R. A. Montgomery81, E. Munevar82, C. Munoz Camacho83, G. Murdoch84, P. Nadel-Turonski85, S. Niccolai86, M. Osipenko87, A. I. Ostrovidov88, K. Park89, E. Pasyuk90, P. Peng91, W. Phelps92, S. Pisano93, O. Pogorelko94, J. W. Price95, Y. Prok96, D. Protopopescu97, B. A. Raue98, M. Ripani99, G. Rosner100, P. Rossi101, R. A. Schumacher102, Iu. Skorodumina103, G. D. Smith104, D. Sokhan105, N. Sparveris106, I. Stankovic107, I. I. Strakovsky108, S. Strauch109, M. Taiuti110, B. Torayev111, M. Ungaro112, H. Voskanyan113, E. Voutier114, X. Wei115, L. B. Weinstein116, J. Zhang117, I. Zonta118
Affiliations: 1CLAS Collaboration, 2CLAS Collaboration, 3CLAS Collaboration, 4CLAS Collaboration, 5CLAS Collaboration, 6CLAS Collaboration, 7CLAS Collaboration, 8CLAS Collaboration, 9CLAS Collaboration, 10CLAS Collaboration, 11CLAS Collaboration, 12CLAS Collaboration, 13CLAS Collaboration, 14CLAS Collaboration, 15CLAS Collaboration, 16CLAS Collaboration, 17CLAS Collaboration, 18CLAS Collaboration, 19CLAS Collaboration, 20CLAS Collaboration, 21CLAS Collaboration, 22CLAS Collaboration, 23CLAS Collaboration, 24CLAS Collaboration, 25CLAS Collaboration, 26CLAS Collaboration, 27CLAS Collaboration, 28CLAS Collaboration, 29CLAS Collaboration, 30CLAS Collaboration, 31CLAS Collaboration, 32CLAS Collaboration, 33CLAS Collaboration, 34CLAS Collaboration, 35CLAS Collaboration, 36CLAS Collaboration, 37CLAS Collaboration, 38CLAS Collaboration, 39CLAS Collaboration, 40CLAS Collaboration, 41CLAS Collaboration, 42CLAS Collaboration, 43CLAS Collaboration, 44CLAS Collaboration, 45CLAS Collaboration, 46CLAS Collaboration, 47CLAS Collaboration, 48CLAS Collaboration, 49CLAS Collaboration, 50CLAS Collaboration, 51CLAS Collaboration, 52CLAS Collaboration, 53CLAS Collaboration, 54CLAS Collaboration, 55CLAS Collaboration, 56CLAS Collaboration, 57CLAS Collaboration, 58CLAS Collaboration, 59CLAS Collaboration, 60CLAS Collaboration, 61CLAS Collaboration, 62CLAS Collaboration, 63CLAS Collaboration, 64CLAS Collaboration, 65CLAS Collaboration, 66CLAS Collaboration, 67CLAS Collaboration, 68CLAS Collaboration, 69CLAS Collaboration, 70CLAS Collaboration, 71CLAS Collaboration, 72CLAS Collaboration, 73CLAS Collaboration, 74CLAS Collaboration, 75CLAS Collaboration, 76CLAS Collaboration, 77CLAS Collaboration, 78CLAS Collaboration, 79CLAS Collaboration, 80CLAS Collaboration, 81CLAS Collaboration, 82CLAS Collaboration, 83CLAS Collaboration, 84CLAS Collaboration, 85CLAS Collaboration, 86CLAS Collaboration, 87CLAS Collaboration, 88CLAS Collaboration, 89CLAS Collaboration, 90CLAS Collaboration, 91CLAS Collaboration, 92CLAS Collaboration, 93CLAS Collaboration, 94CLAS Collaboration, 95CLAS Collaboration, 96CLAS Collaboration, 97CLAS Collaboration, 98CLAS Collaboration, 99CLAS Collaboration, 100CLAS Collaboration, 101CLAS Collaboration, 102CLAS Collaboration, 103CLAS Collaboration, 104CLAS Collaboration, 105CLAS Collaboration, 106CLAS Collaboration, 107CLAS Collaboration, 108CLAS Collaboration, 109CLAS Collaboration, 110CLAS Collaboration, 111CLAS Collaboration, 112CLAS Collaboration, 113CLAS Collaboration, 114CLAS Collaboration, 115CLAS Collaboration, 116CLAS Collaboration, 117CLAS Collaboration, 118CLAS Collaboration

Beam-target double-spin asymmetries and target single-spin asymmetries were measured for the exclusive $\pi^+$ electroproduction reaction $\gamma^* p \to n \pi^+$. The results were obtained from scattering of 6 GeV longitudinally polarized electrons off longitudinally polarized protons using the CEBAF Large Acceptance Spectrometer at Jefferson Lab. The kinematic range covered is $1. Read More

Motivated by the high-energy limit of the $N$-body problem we construct non-deterministic billiard process. The billiard table is the complement of a finite collection of linear subspaces within a Euclidean vector space. A trajectory is a constant speed polygonal curve with vertices on the subspaces and change of direction upon hitting a subspace governed by `conservation of momentum' (mirror reflection). Read More

Given any integers $s,t\geq 2$, we show there exists some $c=c(s,t)>0$ such that any $K_{s,t}$-free graph with average degree $d$ contains a subdivision of a clique with at least $cd^{\frac{1}{2}\frac{s}{s-1}}$ vertices. In particular, when $s=2$ this resolves in a strong sense the conjecture of Mader in 1999 that every $C_4$-free graph has a subdivision of a clique with order linear in the average degree of the original graph. In general, the widely conjectured asymptotic behaviour of the extremal density of $K_{s,t}$-free graphs suggests our result is tight up to the constant $c(s,t)$. Read More

We study the $F$-decomposition threshold $\delta_F$ for a given graph $F$. Here an $F$-decomposition of a graph $G$ is a collection of edge-disjoint copies of $F$ in $G$ which together cover every edge of $G$. (Such an $F$-decomposition can only exist if $G$ is $F$-divisible, i. Read More

We give a minimum degree condition sufficent to ensure the existence of a fractional $K_r$-decomposition in a balanced $r$-partite graph (subject to some further simple necessary conditions). This generalises the non-partite problem studied recently by Barber, Lo, K\"uhn, Osthus and the author, and the $3$-partite fractional $K_3$-decomposition problem studied recently by Dukes. Combining our result with recent work by Barber, K\"uhn, Lo, Osthus and Taylor, this gives a minimum degree condition sufficient to ensure the existence of a (non-fractional) $K_r$-decomposition in a balanced $r$-partite graph (subject to the same simple necessary conditions). Read More

We give a complete symbolic dynamics description of the dynamics of Euler's problem of two fixed centers. By analogy with the 3-body problem we use the collinearities (or syzygies) of the three bodies as symbols. We show that motion without collision on regular tori of the regularised integrable system are given by so called Sturmian sequences. Read More

A large area ring-imaging Cherenkov detector has been designed to provide clean hadron identification capability in the momentum range from 3 GeV/c up to 8 GeV/c for the CLAS12 experiments at the upgraded 12 GeV continuous electron beam accelerator facility of Jefferson Laboratory. The adopted solution foresees a novel hybrid optics design based on aerogel radiator, composite mirrors and high-packed and high-segmented photon detectors. Cherenkov light will either be imaged directly (forward tracks) or after two mirror reflections (large angle tracks). Read More

This expository note describes McGehee blow-up \cite{McGehee} in its role as one of the main tools in my recent proof with Rick Moeckel \cite{RM2} that every free homotopy class for the planar three-body problem can be realized by a periodic solution. The main novelty is my use of energy-balance to motivate the transformation of McGehee. Another novelty is an explicit description of the blown-up reduced phase space for the planar N-body problem, $N \ge 3$ as a complex vector bundle over the half-line times complex projective $N-2$-space. Read More

Our main result is that every graph $G$ on $n\ge 10^4r^3$ vertices with minimum degree $\delta(G) \ge (1 - 1 / 10^4 r^{3/2} ) n$ has a fractional $K_r$-decomposition. Combining this result with recent work of Barber, K\"uhn, Lo and Osthus leads to the best known minimum degree thresholds for exact (non-fractional) $F$-decompositions for a wide class of graphs~$F$ (including large cliques). For general $k$-uniform hypergraphs, we give a short argument which shows that there exists a constant $c_k>0$ such that every $k$-uniform hypergraph $G$ on $n$ vertices with minimum codegree at least $(1- c_k /r^{2k-1}) n $ has a fractional $K^{(k)}_r$-decomposition, where $K^{(k)}_r$ is the complete $k$-uniform hypergraph on $r$ vertices. Read More

2015Jul
Authors: I. Senderovich, B. T. Morrison, M. Dugger, B. G. Ritchie, E. Pasyuk, R. Tucker, J. Brock, C. Carlin, C. D. Keith, D. G. Meekins, M. L. Seely, D. R, M. D, P. Collins, K. P. Adhikari, D. Adikaram, Z. Akbar, M. D. Anderson, S. Anefalos Pereira, R. A. Badui, J. Ball, N. A. Baltzell, M. Battaglieri, V. Batourine, I. Bedlinskiy, A. S. Biselli, S. Boiarinov, W. J. Briscoe, W. K. Brooks, V. D. Burkert, D. S. Carman, A. Celentano, S. Chandavar, G. Charles, L. Colaneri, P. L. Cole, M. Contalbrigo, O. Cortes, V. Crede, A. D'Angelo, N. Dashyan, R. De Vita, E. De Sanctis, A. Deur, C. Djalali, R. Dupre, H. Egiyan, A. El Alaoui, L. El Fassi, A. Fradi, L. Elouadrhiri, P. Eugenio, G. Fedotov, S. Fegan, A. Filippi, J. A. Fleming, B. Garillon, Y. Ghandilyan, G. P. Gilfoyle, K. L. Giovanetti, F. -X. Girod, D. I. Glazier, J. T. Goetz, W. Gohn, E. Golovatch, R. W. Gothe, K. A. Griffioen, M. Guidal, L. Guo, K. Hafidi, H. Hakobyan, C. Hanretty, M. Hattawy, K. Hicks, D. Ho, M. Holtrop, S. M. Hughes, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, D. Jenkins, H. Jiang, H. S. Jo, K. Joo, S. Joosten, D. Keller, G. Khachatryan, M. Khandaker, A. Kim, F. J. Klein, V. Kubarovsky, M. C. Kunkel, P. Lenisa, K. Livingston, H. Y. Lu, I. J. D. MacGregor, P. Mattione, B. McKinnon, C. A. Meyer, T. Mineeva, V. Mokeev, R. A. Montgomery, A. Movsisyan, C. Munoz Camacho, P. Nadel-Turonski, L. A. Net, S. Niccolai, G. Niculescu, I. Niculescu, M. Osipenko, K. Park, S. Park, P. Peng, W. Phelps, S. Pisano, O. Pogorelko, J. W. Price, Y. Prok, A. J. R. Puckett, M. Ripani, A. Rizzo, G. Rosner, P. Roy, F. Sabatie, C. Salgado, D. Schott, R. A. Schumacher, E. Seder, A. Simonyan, Iu. Skorodumina, G. D. Smith, D. I. Sober, D. Sokhan, N. Sparveris, S. Stepanyan, P. Stoler, I. I. Strakovsky, S. Strauch, V. Sytnik, Ye Tian, M. Ungaro, H. Voskanyan, E. Voutier, N. K. Walford, X. Wei, M. H. Wood, N. Zachariou, L. Zana, J. Zhang, Z. W. Zhao, I. Zonta

Results are presented for the first measurement of the double-polarization helicity asymmetry E for the $\eta$ photoproduction reaction $\gamma p \rightarrow \eta p$. Data were obtained using the FROzen Spin Target (FROST) with the CLAS spectrometer in Hall B at Jefferson Lab, covering a range of center-of-mass energy W from threshold to 2.15 GeV and a large range in center-of-mass polar angle. Read More

2015May
Authors: N. Guler, R. G. Fersch, S. E. Kuhn, P. Bosted, K. A. Griffioen, C. Keith, R. Minehart, Y. Prok, K. P. Adhikari, D. Adikaram, M. J. Amaryan, M. D. Anderson, S. Anefalos Pereira, J. Ball, M. Battaglieri, V. Batourine, I. Bedlinskiy, W. J. Briscoe, W. K. Brooks, S. Bultmann, V. D. Burkert, D. S. Carman, A. Celentano, S. Chandavar, G. Charles, L. Colaneri, P. L. Cole, M. Contalbrigo, D. Crabb, V. Crede, A. D Angelo, N. Dashyan, A. Deur, C. Djalali, G. E. Dodge, R. Dupre, A. El Alaoui, L. El Fassi, L. Elouadrhiri, P. Eugenio, G. Fedotov, S. Fegan, A. Filippi, J. A. Fleming, T. A. Forest, B. Garillon, M. Garcon, N. Gevorgyan, G. P. Gilfoyle, K. L. Giovanetti, F. X. Girod, J. T. Goetz, E. Golovatch, R. W. Gothe, M. Guidal, L. Guo, K. Hafidi, H. Hakobyan, N. Harrison, M. Hattawy, K. Hicks, D. Ho, M. Holtrop, S. M. Hughes, C. E. Hyde, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, H. S. Jo, K. Joo, S. Joosten, D. Keller, M. Khandaker, A. Kim, W. Kim, A. Klein, F. J. Klein, V. Kubarovsky, S. V. Kuleshov, K. Livingston, H. Y. Lu, I. J. D. MacGregor, B. McKinnon, M. Mirazita, V. Mokeev, R. A. Montgomery, A Movsisyan, C. Munoz Camacho, P. Nadel-Turonski, L. A. Net, I. Niculescu, M. Osipenko, A. I. Ostrovidov, K. Park, E. Pasyuk, S. Pisano, O. Pogorelko, J. W. Price, S. Procureur, M. Ripani, A. Rizzo, G. Rosner, P. Rossi, P. Roy, F. Sabatie, C. Salgado, D. Schott, R. A. Schumacher, E. Seder, A. Simonyan, Iu. Skorodumina, D. Sokhan, N. Sparveris, I. I. Strakovsky, S. Strauch, V. Sytnik, Ye Tian, S. Tkachenko, M. Ungaro, E. Voutier, N. K. Walford, X. Wei, L. B. Weinstein, M. H. Wood, N. Zachariou, L. Zana, J. Zhang, Z. W. Zhao, I. Zonta

We present the final results for the deuteron spin structure functions obtained from the full data set collected with Jefferson Lab's CLAS in 2000-2001. Polarized electrons with energies of 1.6, 2. Read More

2015Mar
Authors: Nicholas Zachariou, Yordanka Ilieva, Nikolay Ya. Ivanov, Misak M Sargsian, Robert Avakian, Gerald Feldman, Pawel Nadel-Turonski, K. P. Adhikari, D. Adikaram, M. D. Anderson, S. Anefalos Pereira, H. Avakian, R. A. Badui, N. A. Baltzell, M. Battaglieri, V. Baturin, I. Bedlinskiy, A. S. Biselli, W. J. Briscoe, W. K. Brooks, V. D. Burkert, T. Cao, D. S. Carman, A. Celentano, S. Chandavar, G. Charles, L. Colaneri, P. L. Cole, N. Compton, M. Contalbrigo, O. Cortes, V. Crede, A. D'Angelo, R. De Vita, E. De Sanctis, A. Deur, C. Djalali, R. Dupre, H. Egiyan, A. El Alaoui, L. El Fassi, L. Elouadrhiri, G. Fedotov, S. Fegan, A. Filippi, J. A. Fleming, T. A. Forest, A. Fradi, N. Gevorgyan, Y. Ghandilyan, G. P. Gilfoyle, K. L. Giovanetti, F. X. Girod, D. I. Glazier, E. Golovatch, R. W. Gothe, K. A. Griffioen, M. Guidal, K. Hafidi, C. Hanretty, N. Harrison, M. Hattawy, K. Hicks, D. Ho, M. Holtrop, S. M. Hughes, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, H. Jiang, H. S. Jo, K. Joo, D. Keller, G. Khachatryan, M. Khandaker, A. Kim, W. Kim, F. J. Klein, V. Kubarovsky, P. Lenisa, K. Livingston, H. Y. Lu, I . J . D. MacGregor, N. Markov, P. T. Mattione, B. McKinnon, T. Mineeva, M. Mirazita, V. I. Mokeeev, R. A. Montgomery, H. Moutarde, C. Munoz Camacho, L. A. Net, S. Niccolai, G. Niculescu, I. Niculescu, M. Osipenko, A. I. Ostrovidov, K. Park, E. Pasyuk, W. Phelps, J. J. Phillips, S. Pisano, O. Pogorelko, S. Pozdniakov, J. W. Price, S. Procureur, Y. Prok, D. Protopopescu, A. J. R. Puckett, M. Ripani, A. Rizzo, G. Rosner, P. Rossi, P. Roy, F. Sabatié, C. Salgado, D. Schott, R. A. Schumacher, E. Seder, I. Senderovich, Y. G. Sharabian, Iu. Skorodumina, G. D. Smith, D. I. Sober, D. Sokhan, N. Sparveris, S. Stepanyan, S. Strauch, V. Sytnik, M. Taiuti, Ye Tian, M. Ungaro, H. Voskanyan, E. Voutier, N. K. Walford, D. Watts, X. Wei, M. H. Wood, L. Zana, J. Zhang, Z. W. Zhao, I. Zonta, for the CLAS collaboration

The beam-spin asymmetry, $\Sigma$, for the reaction $\gamma d\rightarrow pn$ has been measured using the CEBAF Large Acceptance Spectrometer (CLAS) at the Thomas Jefferson National Accelerator Facility (JLab) for six photon-energy bins between 1.1 and 2.3 GeV, and proton angles in the center-of-mass frame, $\theta_{c. Read More

2015Mar
Authors: S. Strauch1, W. J. Briscoe2, M. Döring3, E. Klempt4, V. A. Nikonov5, E. Pasyuk6, D. Rönchen7, A. V. Sarantsev8, I. Strakovsky9, R. Workman10, K. P. Adhikari11, D. Adikaram12, M. D. Anderson13, S. Anefalos Pereira14, A. V. Anisovich15, R. A. Badui16, J. Ball17, V. Batourine18, M. Battaglieri19, I. Bedlinskiy20, N. Benmouna21, A. S. Biselli22, J. Brock23, W. K. Brooks24, V. D. Burkert25, T. Cao26, C. Carlin27, D. S. Carman28, A. Celentano29, S. Chandavar30, G. Charles31, L. Colaneri32, P. L. Cole33, N. Compton34, M. Contalbrigo35, O. Cortes36, V. Crede37, N. Dashyan38, A. D'Angelo39, R. De Vita40, E. De Sanctis41, A. Deur42, C. Djalali43, M. Dugger44, R. Dupre45, H. Egiyan46, A. El Alaoui47, L. El Fassi48, L. Elouadrhiri49, P. Eugenio50, G. Fedotov51, S. Fegan52, A. Filippi53, J. A. Fleming54, T. A. Forest55, A. Fradi56, N. Gevorgyan57, Y. Ghandilyan58, K. L. Giovanetti59, F. X. Girod60, D. I. Glazier61, W. Gohn62, E. Golovatch63, R. W. Gothe64, K. A. Griffioen65, M. Guidal66, L. Guo67, K. Hafidi68, H. Hakobyan69, C. Hanretty70, N. Harrison71, M. Hattawy72, K. Hicks73, D. Ho74, M. Holtrop75, S. M. Hughes76, Y. Ilieva77, D. G. Ireland78, B. S. Ishkhanov79, E. L. Isupov80, D. Jenkins81, H. Jiang82, H. S. Jo83, K. Joo84, S. Joosten85, C. D. Keith86, D. Keller87, G. Khachatryan88, M. Khandaker89, A. Kim90, W. Kim91, A. Klein92, F. J. Klein93, V. Kubarovsky94, S. E. Kuhn95, P. Lenisa96, K. Livingston97, H. Y. Lu98, I . J . D. MacGregor99, N. Markov100, B. McKinnon101, D. G. Meekins102, C. A. Meyer103, V. Mokeev104, R. A. Montgomery105, C. I. Moody106, H. Moutarde107, A Movsisyan108, E. Munevar109, C. Munoz Camacho110, P. Nadel-Turonski111, L. A. Net112, S. Niccolai113, G. Niculescu114, I. Niculescu115, M. Osipenko116, A. I. Ostrovidov117, K. Park118, P. Peng119, W. Phelps120, J. J. Phillips121, S. Pisano122, O. Pogorelko123, S. Pozdniakov124, J. W. Price125, S. Procureur126, Y. Prok127, D. Protopopescu128, A. J. R. Puckett129, B. A. Raue130, M. Ripani131, B. G. Ritchie132, A. Rizzo133, G. Rosner134, P. Roy135, F. Sabatié136, C. Salgado137, D. Schott138, R. A. Schumacher139, E. Seder140, M. L. Seely141, I Senderovich142, Y. G. Sharabian143, A. Simonyan144, Iu. Skorodumina145, G. D. Smith146, D. I. Sober147, D. Sokhan148, N. Sparveris149, P. Stoler150, S. Stepanyan151, V. Sytnik152, M. Taiuti153, Ye Tian154, A. Trivedi155, R. Tucker156, M. Ungaro157, H. Voskanyan158, E. Voutier159, N. K. Walford160, D. P. Watts161, X. Wei162, M. H. Wood163, N. Zachariou164, L. Zana165, J. Zhang166, Z. W. Zhao167, I. Zonta168
Affiliations: 1The CLAS Collaboration, 2The CLAS Collaboration, 3The CLAS Collaboration, 4The CLAS Collaboration, 5The CLAS Collaboration, 6The CLAS Collaboration, 7The CLAS Collaboration, 8The CLAS Collaboration, 9The CLAS Collaboration, 10The CLAS Collaboration, 11The CLAS Collaboration, 12The CLAS Collaboration, 13The CLAS Collaboration, 14The CLAS Collaboration, 15The CLAS Collaboration, 16The CLAS Collaboration, 17The CLAS Collaboration, 18The CLAS Collaboration, 19The CLAS Collaboration, 20The CLAS Collaboration, 21The CLAS Collaboration, 22The CLAS Collaboration, 23The CLAS Collaboration, 24The CLAS Collaboration, 25The CLAS Collaboration, 26The CLAS Collaboration, 27The CLAS Collaboration, 28The CLAS Collaboration, 29The CLAS Collaboration, 30The CLAS Collaboration, 31The CLAS Collaboration, 32The CLAS Collaboration, 33The CLAS Collaboration, 34The CLAS Collaboration, 35The CLAS Collaboration, 36The CLAS Collaboration, 37The CLAS Collaboration, 38The CLAS Collaboration, 39The CLAS Collaboration, 40The CLAS Collaboration, 41The CLAS Collaboration, 42The CLAS Collaboration, 43The CLAS Collaboration, 44The CLAS Collaboration, 45The CLAS Collaboration, 46The CLAS Collaboration, 47The CLAS Collaboration, 48The CLAS Collaboration, 49The CLAS Collaboration, 50The CLAS Collaboration, 51The CLAS Collaboration, 52The CLAS Collaboration, 53The CLAS Collaboration, 54The CLAS Collaboration, 55The CLAS Collaboration, 56The CLAS Collaboration, 57The CLAS Collaboration, 58The CLAS Collaboration, 59The CLAS Collaboration, 60The CLAS Collaboration, 61The CLAS Collaboration, 62The CLAS Collaboration, 63The CLAS Collaboration, 64The CLAS Collaboration, 65The CLAS Collaboration, 66The CLAS Collaboration, 67The CLAS Collaboration, 68The CLAS Collaboration, 69The CLAS Collaboration, 70The CLAS Collaboration, 71The CLAS Collaboration, 72The CLAS Collaboration, 73The CLAS Collaboration, 74The CLAS Collaboration, 75The CLAS Collaboration, 76The CLAS Collaboration, 77The CLAS Collaboration, 78The CLAS Collaboration, 79The CLAS Collaboration, 80The CLAS Collaboration, 81The CLAS Collaboration, 82The CLAS Collaboration, 83The CLAS Collaboration, 84The CLAS Collaboration, 85The CLAS Collaboration, 86The CLAS Collaboration, 87The CLAS Collaboration, 88The CLAS Collaboration, 89The CLAS Collaboration, 90The CLAS Collaboration, 91The CLAS Collaboration, 92The CLAS Collaboration, 93The CLAS Collaboration, 94The CLAS Collaboration, 95The CLAS Collaboration, 96The CLAS Collaboration, 97The CLAS Collaboration, 98The CLAS Collaboration, 99The CLAS Collaboration, 100The CLAS Collaboration, 101The CLAS Collaboration, 102The CLAS Collaboration, 103The CLAS Collaboration, 104The CLAS Collaboration, 105The CLAS Collaboration, 106The CLAS Collaboration, 107The CLAS Collaboration, 108The CLAS Collaboration, 109The CLAS Collaboration, 110The CLAS Collaboration, 111The CLAS Collaboration, 112The CLAS Collaboration, 113The CLAS Collaboration, 114The CLAS Collaboration, 115The CLAS Collaboration, 116The CLAS Collaboration, 117The CLAS Collaboration, 118The CLAS Collaboration, 119The CLAS Collaboration, 120The CLAS Collaboration, 121The CLAS Collaboration, 122The CLAS Collaboration, 123The CLAS Collaboration, 124The CLAS Collaboration, 125The CLAS Collaboration, 126The CLAS Collaboration, 127The CLAS Collaboration, 128The CLAS Collaboration, 129The CLAS Collaboration, 130The CLAS Collaboration, 131The CLAS Collaboration, 132The CLAS Collaboration, 133The CLAS Collaboration, 134The CLAS Collaboration, 135The CLAS Collaboration, 136The CLAS Collaboration, 137The CLAS Collaboration, 138The CLAS Collaboration, 139The CLAS Collaboration, 140The CLAS Collaboration, 141The CLAS Collaboration, 142The CLAS Collaboration, 143The CLAS Collaboration, 144The CLAS Collaboration, 145The CLAS Collaboration, 146The CLAS Collaboration, 147The CLAS Collaboration, 148The CLAS Collaboration, 149The CLAS Collaboration, 150The CLAS Collaboration, 151The CLAS Collaboration, 152The CLAS Collaboration, 153The CLAS Collaboration, 154The CLAS Collaboration, 155The CLAS Collaboration, 156The CLAS Collaboration, 157The CLAS Collaboration, 158The CLAS Collaboration, 159The CLAS Collaboration, 160The CLAS Collaboration, 161The CLAS Collaboration, 162The CLAS Collaboration, 163The CLAS Collaboration, 164The CLAS Collaboration, 165The CLAS Collaboration, 166The CLAS Collaboration, 167The CLAS Collaboration, 168The CLAS Collaboration

First results from the longitudinally polarized frozen-spin target (FROST) program are reported. The double-polarization observable E, for the reaction $\vec \gamma \vec p \to \pi^+n$, has been measured using a circularly polarized tagged-photon beam, with energies from 0.35 to 2. Read More

In Carnot-Caratheodory or sub-Riemannian geometry, one of the major open problems is whether the conclusions of Sard's theorem holds for the endpoint map, a canonical map from an infinite-dimensional path space to the underlying finite-dimensional manifold. The set of critical values for the endpoint map is also known as abnormal set, being the set of endpoints of abnormal extremals leaving the base point. We prove that a strong version of Sard's property holds for all step-2 Carnot groups and several other classes of Lie groups endowed with left-invariant distributions. Read More

The $N$-body problem with a $1/r^2$ potential has, in addition to translation and rotational symmetry, an effective scale symmetry which allows its zero energy flow to be reduced to a geodesic flow on complex projective $N-2$-space, minus a hyperplane arrangement. When $N=3$ we get a geodesic flow on the two-sphere minus three points. If, in addition we assume that the three masses are equal, then it was proved in [1] that the corresponding metric is hyperbolic: its Gaussian curvature is negative except at two points. Read More

The configuration space of the planar three-body problem when collisions are excluded has a rich topology which supports a large set of free homotopy classes. Most classes survive modding out by rotations. Those that survive are called the reduced free homotopy classes and have a simple description when projected onto the shape sphere. Read More

2014Nov
Authors: D. Adikaram, D. Rimal, L. B. Weinstein, B. Raue, P. Khetarpal, R. P. Bennett, J. Arrington, W. K. Brooks, K. P. Adhikari, A. V. Afanasev, M. J. Amaryan, M. D. Anderson, J. Ball, M. Battaglieri, I. Bedlinskiy, A. S. Biselli, J. Bono, S. Boiarinov, W. J. Briscoe, V. D. Burkert, D. S. Carman, A. Celentano, S. Chandavar, G. Charles, L. Colaneri, P. L. Cole, M. Contalbrigo, A. D'Angelo, N. Dashyan, R. De Vita, E. De Sanctis, A. Deur, C. Djalali, G. E. Dodge, R. Dupre, H. Egiyan, A. El Alaoui, L. El Fassi, P. Eugenio, G. Fedotov, S. Fegan, A. Filippi, J. A. Fleming, A. Fradi, G. P. Gilfoyle, K. L. Giovanetti, F. X. Girod, J. T. Goetz, W. Gohn, E. Golovatch, R. W. Gothe, K. A. Griffioen, M. Guidal, L. Guo, K. Hafidi, H. Hakobyan, N. Harrison, M. Hattawy, K. Hicks, M. Holtrop, S. M. Hughes, C. E. Hyde, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, D. Jenkins, H. Jiang, K. Joo, S. Joosten, M. Khandaker, W. Kim, A. Klein, F. J. Klein, S. Koirala, V. Kubarovsky, S. E. Kuhn, H. Y. Lu, I . J . D. MacGregor, N. Markov, M. Mayer, B. McKinnon, M. D. Mestayer, C. A. Meyer, M. Mirazita, V. Mokeev, R. A. Montgomery, C. I. Moody, H. Moutarde, A Movsisyan, C. Munoz Camacho, P. Nadel-Turonski, S. Niccolai, G. Niculescu, M. Osipenko, A. I. Ostrovidov, K. Park, E. Pasyuk, S. Pisano, O. Pogorelko, S. Procureur, Y. Prok, D. Protopopescu, A. J. R. Puckett, M. Ripani, A. Rizzo, G. Rosner, P. Rossi, F. Sabatié, D. Schott, R. A. Schumacher, Y. G. Sharabian, A. Simonyan, I. Skorodumina, E. S. Smith, G. D. Smith, D. I. Sober, N. Sparveris, S. Stepanyan, S. Strauch, V. Sytnik, M. Taiuti, Ye Tian, A. Trivedi, M. Ungaro, H. Voskanyan, E. Voutier, N. K. Walford, D. P. Watts, X. Wei, M. H. Wood, N. Zachariou, L. Zana, J. Zhang, Z. W. Zhao, I. Zonta, The CLAS Collaboration

There is a significant discrepancy between the values of the proton electric form factor, $G_E^p$, extracted using unpolarized and polarized electron scattering. Calculations predict that small two-photon exchange (TPE) contributions can significantly affect the extraction of $G_E^p$ from the unpolarized electron-proton cross sections. We determined the TPE contribution by measuring the ratio of positron-proton to electron-proton elastic scattering cross sections using a simultaneous, tertiary electron-positron beam incident on a liquid hydrogen target and detecting the scattered particles in the Jefferson Lab CLAS detector. Read More

We have investigated the response of a significant sample of Hamamatsu H8500 MultiAnode PhotoMultiplier Tubes (MAPMTs) as single photon detectors, in view of their use in a ring imaging Cherenkov counter for the CLAS12 spectrometer at the Thomas Jefferson National Accelerator Facility. For this, a laser working at 407.2nm wavelength was employed. Read More

The Jacobi-Maupertuis metric allows one to reformulate Newton's equations as geodesic equations for a Riemannian metric which degenerates at the Hill boundary. We prove that a JM geodesic which comes sufficiently close to a regular point of the boundary contains pairs of conjugate points close to the boundary. We prove the conjugate locus of any point near enough to the boundary is a hypersurface tangent to the boundary. Read More

MeV-GeV dark matter (DM) is theoretically well motivated but remarkably unexplored. This Letter of Intent presents the MeV-GeV DM discovery potential for a 1 m$^3$ segmented plastic scintillator detector placed downstream of the beam-dump at one of the high intensity JLab experimental Halls, receiving up to 10$^{22}$ electrons-on-target (EOT) in a one-year period. This experiment (Beam-Dump eXperiment or BDX) is sensitive to DM-nucleon elastic scattering at the level of a thousand counts per year, with very low threshold recoil energies ($\sim$1 MeV), and limited only by reducible cosmogenic backgrounds. Read More

We prove that if a tree $T$ has $n$ vertices and maximum degree at most $\Delta$, then a copy of $T$ can almost surely be found in the random graph $\mathcal{G}(n,\Delta\log^5 n/n)$. Read More

When $k|n$, the tree $\mathrm{Comb}_{n,k}$ consists of a path containing $n/k$ vertices, each of whose vertices has a disjoint path length $k-1$ beginning at it. We show that, for any $k=k(n)$ and $\epsilon>0$, the binomial random graph $\mathcal{G}(n,(1+\epsilon)\log n/ n)$ almost surely contains $\mathrm{Comb}_{n,k}$ as a subgraph. This improves a recent result of Kahn, Lubetzky and Wormald. Read More

2014May
Authors: I. Bedlinskiy1, V. Kubarovsky2, S. Niccolai3, P. Stoler4, K. P. Adhikari5, M. D. Anderson6, S. Anefalos Pereira7, H. Avakian8, J. Ball9, N. A. Baltzell10, M. Battaglieri11, V. Batourine12, A. S. Biselli13, S. Boiarinov14, J. Bono15, W. J. Briscoe16, W. K. Brooks17, V. D. Burkert18, D. S. Carman19, A. Celentano20, S. Chandavar21, L. Colaneri22, P. L. Cole23, M. Contalbrigo24, O. Cortes25, V. Crede26, A. D'Angelo27, N. Dashyan28, R. De Vita29, E. De Sanctis30, A. Deur31, C. Djalali32, D. Doughty33, R. Dupre34, H. Egiyan35, A. El Alaoui36, L. El Fassi37, L. Elouadrhiri38, P. Eugenio39, G. Fedotov40, S. Fegan41, J. A. Fleming42, T. A. Forest43, B. Garillon44, M. Garçon45, G. Gavalian46, N. Gevorgyan47, Y. Ghandilyan48, G. P. Gilfoyle49, K. L. Giovanetti50, F. X. Girod51, E. Golovatch52, R. W. Gothe53, K. A. Griffioen54, B. Guegan55, L. Guo56, K. Hafidi57, H. Hakobyan58, N. Harrison59, M. Hattawy60, K. Hicks61, M. Holtrop62, D. G. Ireland63, B. S. Ishkhanov64, E. L. Isupov65, D. Jenkins66, H. S. Jo67, K. Joo68, D. Keller69, M. Khandaker70, A. Kim71, W. Kim72, A. Klein73, F. J. Klein74, S. Koirala75, S. E. Kuhn76, S. V. Kuleshov77, P. Lenisa78, W. I. Levine79, K. Livingston80, H. Y. Lu81, I . J . D. MacGregor82, N. Markov83, M. Mayer84, B. McKinnon85, M. Mirazita86, V. Mokeev87, R. A. Montgomery88, C. I. Moody89, H. Moutarde90, A Movsisyan91, C. Munoz Camacho92, P. Nadel-Turonski93, I. Niculescu94, M. Osipenko95, A. I. Ostrovidov96, L. L. Pappalardo97, K. Park98, S. Park99, E. Pasyuk100, E. Phelps101, W. Phelps102, J. J. Phillips103, S. Pisano104, O. Pogorelko105, J. W. Price106, Y. Prok107, D. Protopopescu108, S. Procureur109, A. J. R. Puckett110, B. A. Raue111, M. Ripani112, B. G. Ritchie113, A. Rizzo114, P. Rossi115, P. Roy116, F. Sabatié117, C. Salgado118, D. Schott119, R. A. Schumacher120, E. Seder121, I. Senderovich122, Y. G. Sharabian123, A. Simonyan124, G. D. Smith125, D. I. Sober126, D. Sokhan127, S. S. Stepanyan128, S. Strauch129, V. Sytnik130, W. Tang131, Ye Tian132, M. Ungaro133, A. V. Vlassov134, H. Voskanyan135, E. Voutier136, N. K. Walford137, D. Watts138, X. Wei139, L. B. Weinstein140, M. Yurov141, N. Zachariou142, L. Zana143, J. Zhang144, Z. W. Zhao145, I. Zonta146, for the CLAS Collaboration
Affiliations: 1Institute of Theoretical and Experimental Physics, 2Thomas Jefferson National Accelerator Facility, 3Institut de Physique Nucléaire ORSAY, 4Rensselaer Polytechnic Institute, 5Old Dominion University, 6University of Glasgow, 7INFN, 8Thomas Jefferson National Accelerator Facility, 9CEA, 10Argonne National Laboratory, 11INFN, 12Thomas Jefferson National Accelerator Facility, 13Thomas Jefferson National Accelerator Facility, 14Thomas Jefferson National Accelerator Facility, 15Florida International University, 16The George Washington University, 17Universidad Técnica Federico Santa María, 18Thomas Jefferson National Accelerator Facility, 19Thomas Jefferson National Accelerator Facility, 20INFN, 21Ohio University, 22INFN, 23Idaho State University, 24INFN, 25Idaho State University, 26Florida State University, 27INFN, 28Yerevan Physics Institute, 29INFN, 30INFN, 31Thomas Jefferson National Accelerator Facility, 32University of South Carolina, 33Christopher Newport University, 34Institut de Physique Nucléaire ORSAY, 35Thomas Jefferson National Accelerator Facility, 36Argonne National Laboratory, 37Old Dominion University, 38Thomas Jefferson National Accelerator Facility, 39Florida State University, 40University of South Carolina, 41INFN, 42Edinburgh University, 43Idaho State University, 44Institut de Physique Nucléaire ORSAY, 45CEA, 46Old Dominion University, 47Yerevan Physics Institute, 48Yerevan Physics Institute, 49University of Richmond, 50James Madison University, 51Thomas Jefferson National Accelerator Facility, 52Skobeltsyn Institute of Nuclear Physics, 53University of South Carolina, 54Institut de Physique Nucléaire ORSAY, 55Institut de Physique Nucléaire ORSAY, 56Florida International University, 57Argonne National Laboratory, 58Universidad Técnica Federico Santa María, 59University of Connecticut, 60Institut de Physique Nucléaire ORSAY, 61Ohio University, 62University of New Hampshire, 63University of Glasgow, 64Skobeltsyn Institute of Nuclear Physics, 65Skobeltsyn Institute of Nuclear Physics, 66Institut de Physique Nucléaire ORSAY, 67Institut de Physique Nucléaire ORSAY, 68University of Connecticut, 69University of Virginia, 70Idaho State University, 71University of Connecticut, 72Kyungpook National University, 73Old Dominion University, 74Catholic University of America, 75Old Dominion University, 76Old Dominion University, 77Universidad Técnica Federico Santa María, 78INFN, 79Carnegie Mellon University, 80University of Glasgow, 81University of South Carolina, 82University of Glasgow, 83University of Connecticut, 84Old Dominion University, 85University of Glasgow, 86INFN, 87Thomas Jefferson National Accelerator Facility, 88INFN, 89Argonne National Laboratory, 90CEA, 91INFN, 92Institut de Physique Nucléaire ORSAY, 93Thomas Jefferson National Accelerator Facility, 94James Madison University, 95INFN, 96Florida State University, 97INFN, 98Thomas Jefferson National Accelerator Facility, 99Florida State University, 100Thomas Jefferson National Accelerator Facility, 101University of South Carolina, 102Florida International University, 103University of Glasgow, 104INFN, 105Institute of Theoretical and Experimental Physics, 106California State University, 107Old Dominion University, 108University of Glasgow, 109CEA, 110University of Connecticut, 111Florida International University, 112INFN, 113Arizona State University, 114INFN, 115INFN, 116Florida State University, 117CEA, 118Norfolk State University, 119The George Washington University, 120Carnegie Mellon University, 121University of Connecticut, 122Arizona State University, 123Thomas Jefferson National Accelerator Facility, 124Yerevan Physics Institute, 125Edinburgh University, 126Catholic University of America, 127University of Glasgow, 128Kyungpook National University, 129University of South Carolina, 130Universidad Técnica Federico Santa María, 131Ohio University, 132University of South Carolina, 133Thomas Jefferson National Accelerator Facility, 134Institute of Theoretical and Experimental Physics, 135Yerevan Physics Institute, 136LPSC, 137Catholic University of America, 138University of Glasgow, 139Thomas Jefferson National Accelerator Facility, 140Old Dominion University, 141University of Virginia, 142University of South Carolina, 143Edinburgh University, 144Thomas Jefferson National Accelerator Facility, 145University of Virginia, 146INFN

Exclusive neutral-pion electroproduction ($ep\to e^\prime p^\prime \pi^0$) was measured at Jefferson Lab with a 5.75-GeV electron beam and the CLAS detector. Differential cross sections $d^4\sigma/dtdQ^2dx_Bd\phi_\pi$ and structure functions $\sigma_T+\epsilon\sigma_L, \sigma_{TT}$ and $\sigma_{LT}$ as functions of $t$ were obtained over a wide range of $Q^2$ and $x_B$. Read More

2014Apr
Authors: Y. Prok, P. Bosted, N. Kvaltine, K. P. Adhikari, D. Adikaram, M. Aghasyan, M. J. Amaryan, M. D. Anderson, S. Anefalos Pereira, H. Avakian, H. Baghdasaryan, J. Ball, N. A. Baltzell, M. Battaglieri, A. S. Biselli, J. Bono, W. J. Briscoe, J. Brock, W. K. Brooks, S. Bültmann, V. D. Burkert, C. Carlin, D. S. Carman, A. Celentano, S. Chandavar, L. Colaneri, P. L. Cole, M. Contalbrigo, O. Cortes, D. Crabb, V. Crede, A. D'Angelo, N. Dashyan, R. De Vita, E. De Sanctis, A. Deur, C. Djalali, G. E. Dodge, D. Doughty, R. Dupre, A. El Alaoui, L. El Fassi, L. Elouadrhiri, G. Fedotov, S. Fegan, R. Fersch, J. A. Fleming, T. A. Forest, M. Garcon, N. Gevorgyan, Y. Ghandilyan, G. P. Gilfoyle, F. X. Girod, K. L. Giovanetti, J. T. Goetz, W. Gohn, R. W. Gothe, K. A. Griffioen, B. Guegan, N. Guler, K. Haffidi, C. Hanretty, N. Harrison, M. Hattawy, K. Hicks, D. Ho, M. Holtrop, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, S. Jawalkar, X. Jiang, H. S. Jo, K. Joo, N. Kalantarians, C. Keith, D. Keller, M. Khandaker, A. Kim, W. Kim, A. Klein, F. J. Klein, S. Koirala, V. Kubarovsky, S. E. Kuhn, S. V. Kuleshov, P. Lenisa, K. Livingston, H. Y. Lu, I . J. D. MacGregor, N. Markov, M. Mayee, B. McKinnon, D. Meekins, T. Mineeva, M. Mirazita, V. Mokeev, R. A. Montgomery, H. Moutarde, A Movsisyan, E. Munevar, C. Munoz Camacho, P. Nadel-Turonski, S. Niccolai, G. Niculescu, I. Niculescu, M. Osipenko, A. I. Ostrovidov, L. L. Pappalardo, R. Paremuzyan, K. Park, P. Peng, J. J. Phillips, J. Pierce, S. Pisano, O. Pogorelko, S. Pozdniakov, J. W. Price, S. Procureur, D. Protopopescu, A. J. R. Puckett, B. A. Raue, D. Rimal, M. Ripani, A. Rizzo, G. Rosner, P. Rossi, P. Roy, F. Sabatié, M. S. Saini, C. Salgado, D. Schott, R. A. Schumacher, E. Seder, Y. G. Sharabian, A. Simonyan, C. Smith, G. Smith, D. I. Sober, D. Sokhan, S. S. Stepanyan, S. Stepanyan, I. I. Strakovsky, S. Strauch, V. Sytnik, M. Taiuti, W. Tang, S. Tkachenko, M. Ungaro, B . Vernarsky, A. V. Vlassov, H. Voskanyan, E. Voutier, N. K. Walford, D . P. Watts, L. B. Weinstein, N. Zachariou, L. Zana, J. Zhang, B. Zhao, Z. W. Zhao, I. Zonta, for the CLAS collaboration

The inclusive polarized structure functions of the proton and deuteron, g1p and g1d, were measured with high statistical precision using polarized 6 GeV electrons incident on a polarized ammonia target in Hall B at Jefferson Laboratory. Electrons scattered at lab angles between 18 and 45 degrees were detected using the CEBAF Large Acceptance Spectrometer (CLAS). For the usual DIS kinematics, Q^2>1 GeV^2 and the final-state invariant mass W>2 GeV, the ratio of polarized to unpolarized structure functions g1/F1 is found to be nearly independent of Q^2 at fixed x. Read More

A symmetric $m\times m$ matrix $M$ with entries taken from $\{0,1,\ast\}$ gives rise to a graph partition problem, asking whether a graph can be partitioned into $m$ vertex sets matched to the rows (and corresponding columns) of $M$ such that, if $M_{ij}=1$, then any two vertices between the corresponding vertex sets are joined by an edge, and if $M_{ij}=0$ then any two vertices between the corresponding vertex sets are not joined by an edge. The entry $\ast$ places no restriction on the edges between the corresponding sets. This problem generalises graph colouring and graph homomorphism problems. Read More

2014Feb
Authors: S. Tkachenko1, N. Baillie2, S. E. Kuhn3, J. Zhang4, J. Arrington5, P. Bosted6, S. Bültmann7, M. E. Christy8, D. Dutta9, R. Ent10, H. Fenker11, K. A. Griffioen12, M. Ispiryan13, N. Kalantarians14, C. E. Keppel15, W. Melnitchouk16, V. Tvaskis17, K. P. Adhikari18, M. Aghasyan19, M. J. Amaryan20, S. Anefalos Pereira21, H. Avakian22, J. Ball23, N. A. Baltzell24, M. Battaglieri25, I. Bedlinskiy26, A. S. Biselli27, W. J. Briscoe28, W. K. Brooks29, V. D. Burkert30, D. S. Carman31, A. Celentano32, S. Chandavar33, G. Charles34, P. L. Cole35, M. Contalbrigo36, O. Cortes37, V. Crede38, A. D'Angelo39, N. Dashyan40, R. De Vita41, E. De Sanctis42, A. Deur43, C. Djalali44, G. E. Dodge45, D. Doughty46, R. Dupre47, H. Egiyan48, A. El Alaoui49, L. El Fassi50, L. Elouadrhiri51, P. Eugenio52, G. Fedotov53, J. A. Fleming54, B. Garillon55, N. Gevorgyan56, Y. Ghandilyan57, G. P. Gilfoyle58, K. L. Giovanetti59, F. X. Girod60, J. T. Goetz61, E. Golovatch62, R. W. Gothe63, M. Guidal64, L. Guo65, K. Hafidi66, H. Hakobyan67, C. Hanretty68, N. Harrison69, M. Hattawy70, K. Hicks71, D. Ho72, M. Holtrop73, C . E. Hyde74, Y. Ilieva75, D. G. Ireland76, B. S. Ishkhanov77, H. S. Jo78, D. Keller79, M. Khandaker80, A. Kim81, W. Kim82, P. M. King83, A. Klein84, F. J. Klein85, S. Koirala86, V. Kubarovsky87, S. V. Kuleshov88, P. Lenisa89, S. Lewis90, K. Livingston91, H. Lu92, M. MacCormick93, I. J. D. MacGregor94, N. Markov95, M. Mayer96, B. McKinnon97, T. Mineeva98, M. Mirazita99, V. Mokeev100, R. A. Montgomery101, H. Moutarde102, C. Munoz Camacho103, P. Nadel-Turonski104, S. Niccolai105, G. Niculescu106, I. Niculescu107, M. Osipenko108, L. L. Pappalardo109, R. Paremuzyan110, K. Park111, E. Pasyuk112, J. J. Phillips113, S. Pisano114, O. Pogorelko115, S. Pozdniakov116, J. W. Price117, S. Procureur118, D. Protopopescu119, A. J . R. Puckett120, D. Rimal121, M. Ripani122, A. Rizzo123, G. Rosner124, P. Rossi125, P. Roy126, F. Sabatié127, D. Schott128, R. A. Schumacher129, E. Seder130, I. Senderovich131, Y. G. Sharabian132, A. Simonyan133, G. D. Smith134, D. I. Sober135, D. Sokhan136, S. Stepanyan137, S. S. Stepanyan138, S. Strauch139, W. Tang140, M. Ungaro141, A. V. Vlassov142, H. Voskanyan143, E. Voutier144, N. K. Walford145, D. Watts146, X. Wei147, L. B. Weinstein148, M. H. Wood149, L. Zana150, I. Zonta151
Affiliations: 1The CLAS collaboration, 2The CLAS collaboration, 3The CLAS collaboration, 4The CLAS collaboration, 5The CLAS collaboration, 6The CLAS collaboration, 7The CLAS collaboration, 8The CLAS collaboration, 9The CLAS collaboration, 10The CLAS collaboration, 11The CLAS collaboration, 12The CLAS collaboration, 13The CLAS collaboration, 14The CLAS collaboration, 15The CLAS collaboration, 16The CLAS collaboration, 17The CLAS collaboration, 18The CLAS collaboration, 19The CLAS collaboration, 20The CLAS collaboration, 21The CLAS collaboration, 22The CLAS collaboration, 23The CLAS collaboration, 24The CLAS collaboration, 25The CLAS collaboration, 26The CLAS collaboration, 27The CLAS collaboration, 28The CLAS collaboration, 29The CLAS collaboration, 30The CLAS collaboration, 31The CLAS collaboration, 32The CLAS collaboration, 33The CLAS collaboration, 34The CLAS collaboration, 35The CLAS collaboration, 36The CLAS collaboration, 37The CLAS collaboration, 38The CLAS collaboration, 39The CLAS collaboration, 40The CLAS collaboration, 41The CLAS collaboration, 42The CLAS collaboration, 43The CLAS collaboration, 44The CLAS collaboration, 45The CLAS collaboration, 46The CLAS collaboration, 47The CLAS collaboration, 48The CLAS collaboration, 49The CLAS collaboration, 50The CLAS collaboration, 51The CLAS collaboration, 52The CLAS collaboration, 53The CLAS collaboration, 54The CLAS collaboration, 55The CLAS collaboration, 56The CLAS collaboration, 57The CLAS collaboration, 58The CLAS collaboration, 59The CLAS collaboration, 60The CLAS collaboration, 61The CLAS collaboration, 62The CLAS collaboration, 63The CLAS collaboration, 64The CLAS collaboration, 65The CLAS collaboration, 66The CLAS collaboration, 67The CLAS collaboration, 68The CLAS collaboration, 69The CLAS collaboration, 70The CLAS collaboration, 71The CLAS collaboration, 72The CLAS collaboration, 73The CLAS collaboration, 74The CLAS collaboration, 75The CLAS collaboration, 76The CLAS collaboration, 77The CLAS collaboration, 78The CLAS collaboration, 79The CLAS collaboration, 80The CLAS collaboration, 81The CLAS collaboration, 82The CLAS collaboration, 83The CLAS collaboration, 84The CLAS collaboration, 85The CLAS collaboration, 86The CLAS collaboration, 87The CLAS collaboration, 88The CLAS collaboration, 89The CLAS collaboration, 90The CLAS collaboration, 91The CLAS collaboration, 92The CLAS collaboration, 93The CLAS collaboration, 94The CLAS collaboration, 95The CLAS collaboration, 96The CLAS collaboration, 97The CLAS collaboration, 98The CLAS collaboration, 99The CLAS collaboration, 100The CLAS collaboration, 101The CLAS collaboration, 102The CLAS collaboration, 103The CLAS collaboration, 104The CLAS collaboration, 105The CLAS collaboration, 106The CLAS collaboration, 107The CLAS collaboration, 108The CLAS collaboration, 109The CLAS collaboration, 110The CLAS collaboration, 111The CLAS collaboration, 112The CLAS collaboration, 113The CLAS collaboration, 114The CLAS collaboration, 115The CLAS collaboration, 116The CLAS collaboration, 117The CLAS collaboration, 118The CLAS collaboration, 119The CLAS collaboration, 120The CLAS collaboration, 121The CLAS collaboration, 122The CLAS collaboration, 123The CLAS collaboration, 124The CLAS collaboration, 125The CLAS collaboration, 126The CLAS collaboration, 127The CLAS collaboration, 128The CLAS collaboration, 129The CLAS collaboration, 130The CLAS collaboration, 131The CLAS collaboration, 132The CLAS collaboration, 133The CLAS collaboration, 134The CLAS collaboration, 135The CLAS collaboration, 136The CLAS collaboration, 137The CLAS collaboration, 138The CLAS collaboration, 139The CLAS collaboration, 140The CLAS collaboration, 141The CLAS collaboration, 142The CLAS collaboration, 143The CLAS collaboration, 144The CLAS collaboration, 145The CLAS collaboration, 146The CLAS collaboration, 147The CLAS collaboration, 148The CLAS collaboration, 149The CLAS collaboration, 150The CLAS collaboration, 151The CLAS collaboration

Much less is known about neutron structure than that of the proton due to the absence of free neutron targets. Neutron information is usually extracted from data on nuclear targets such as deuterium, requiring corrections for nuclear binding and nucleon off-shell effects. These corrections are model dependent and have significant uncertainties, especially for large values of the Bjorken scaling variable x. Read More

[This is an expository article. I have submitted it to the American Mathematical Monthly.] The three-body problem defines a dynamics on the space of triangles in the plane. Read More

Mader proved that for every integer $t$ there is a smallest real number $c(t)$ such that any graph with average degree at least $c(t)$ must contain a $K_t$-minor. Fiorini, Joret, Theis and Wood conjectured that any graph with $n$ vertices and average degree at least $c(t)+\epsilon$ must contain a $K_t$-minor consisting of at most $C(\epsilon,t)\log n$ vertices. Shapira and Sudakov subsequently proved that such a graph contains a $K_t$-minor consisting of at most $C(\epsilon,t)\log n \log\log n$ vertices. Read More

2013Jun
Authors: M. Moteabbed, M. Niroula, B. A. Raue, L. B. Weinstein, D. Adikaram, J. Arrington, W. K. Brooks, J. Lachniet, Dipak Rimal, M. Ungaro, K. P. Adhikari, M. Aghasyan, M. J. Amaryan, S. Anefalos Pereira, H. Avakian, J. Ball, N. A. Baltzell, M. Battaglieri, V. Batourine, I. Bedlinskiy, R. P. Bennett, A. S. Biselli, J. Bono, S. Boiarinov, W. J. Briscoe, V. D. Burkert, D. S. Carman, A. Celentano, S. Chandavar, P. L. Cole, P. Collins, M. Contalbrigo, O. Cortes, V. Crede, A. D'Angelo, N. Dashyan, R. De Vita, E. De Sanctis, A. Deur, C. Djalali, D. Doughty, R. Dupre, H. Egiyan, L. El Fassi, P. Eugenio, G. Fedotov, S. Fegan, R. Fersch, J. A. Fleming, N. Gevorgyan, G. P. Gilfoyle, K. L. Giovanetti, F. X. Girod, J. T. Goetz, W. Gohn, E. Golovatch, R. W. Gothe, K. A. Griffioen, M. Guidal, N. Guler, L. Guo, K. Hafidi, H. Hakobyan, C. Hanretty, N. Harrison, D. Heddle, K. Hicks, D. Ho, M. Holtrop, C. E. Hyde, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, H. S. Jo, K. Joo, D. Keller, M. Khandaker, A. Kim, F. J. Klein, S. Koirala, A. Kubarovsky, V. Kubarovsky, S. E. Kuhn, S. V. Kuleshov, S. Lewis, H. Y. Lu, M. MacCormick, I . J . D. MacGregor, D. Martinez, M. Mayer, B. McKinnon, T. Mineeva, M. Mirazita, V. Mokeev, R. A. Montgomery, K. Moriya, H. Moutarde, E. Munevar, C. Munoz Camacho, P. Nadel-Turonski, R. Nasseripour, S. Niccolai, G. Niculescu, I. Niculescu, M. Osipenko, A. I. Ostrovidov, L. L. Pappalardo, R. Paremuzyan, K. Park, S. Park, E. Phelps, J. J. Phillips, S. Pisano, O. Pogorelko, S. Pozdniakov, J. W. Price, S. Procureur, D. Protopopescu, A. J. R. Puckett, M. Ripani, G. Rosner, P. Rossi, F. Sabatié, M. S. Saini, C. Salgado, D. Schott, R. A. Schumacher, E. Seder, H. Seraydaryan, Y. G. Sharabian, E. S. Smith, G. D. Smith, D. I. Sober, D. Sokhan, S. Stepanyan, S. Strauch, W. Tang, C. E. Taylor, Ye Tian, S. Tkachenko, H. Voskanyan, E. Voutier, N. K. Walford, M. H. Wood, N. Zachariou, L. Zana, J. Zhang, Z. W. Zhao, I. Zonta

The discrepancy between proton electromagnetic form factors extracted using unpolarized and polarized scattering data is believed to be a consequence of two-photon exchange (TPE) effects. However, the calculations of TPE corrections have significant model dependence, and there is limited direct experimental evidence for such corrections. We present the results of a new experimental technique for making direct $e^\pm p$ comparisons, which has the potential to make precise measurements over a broad range in $Q^2$ and scattering angles. Read More

We show that the n-dimensional MICZ-Kepler system arises from symplectic reduction of a simple mechanical system on the cone over the rotation group SO(n). As a corollary we derive an elementary formula for its general solution. The punch-line of our computation is that the additional MICZ-Kepler $|\phi|^2/r^2$ type potential term is the rotational part of the cone's kinetic energy. Read More

2013Mar
Authors: I. Pomerantz1, Y. Ilieva2, R. Gilman3, D. W. Higinbotham4, E. Piasetzky5, S. Strauch6, K. P. Adhikari7, M. Aghasyan8, K. Allada9, M. J. Amaryan10, S. Anefalos Pereira11, M. Anghinolfi12, H. Baghdasaryan13, J. Ball14, N. A. Baltzell15, M. Battaglieri16, V. Batourine17, A. Beck18, S. Beck19, I. Bedlinskiy20, B. L. Berman21, A. S. Biselli22, W. Boeglin23, J. Bono24, C. Bookwalter25, S. Boiarinov26, W. J. Briscoe27, W. K. Brooks28, N. Bubis29, V. Burkert30, A. Camsonne31, M. Canan32, D. S. Carman33, A. Celentano34, S. Chandavar35, G. Charles36, K. Chirapatpimol37, E. Cisbani38, P. L. Cole39, M. Contalbrigo40, V. Crede41, F. Cusanno42, A. D'Angelo43, A. Daniel44, N. Dashyan45, C. W. de Jager46, R. De Vita47, E. De Sanctis48, A. Deur49, C. Djalali50, G. E. Dodge51, D. Doughty52, R. Dupre53, C. Dutta54, H. Egiyan55, A. El Alaoui56, L. El Fassi57, P. Eugenio58, G. Fedotov59, S. Fegan60, J. A. Fleming61, A. Fradi62, F. Garibaldi63, O. Geagla64, N. Gevorgyan65, K. L. Giovanetti66, F. X. Girod67, J. Glister68, J. T. Goetz69, W. Gohn70, E. Golovatch71, R. W. Gothe72, K. A. Griffioen73, B. Guegan74, M. Guidal75, L. Guo76, K. Hafidi77, H. Hakobyan78, N. Harrison79, D. Heddle80, K. Hicks81, D. Ho82, M. Holtrop83, C. E. Hyde84, D. G. Ireland85, B. S. Ishkhanov86, E. L. Isupov87, X. Jiang88, H. S. Jo89, K. Joo90, A. T. Katramatou91, D. Keller92, M. Khandaker93, P. Khetarpal94, E. Khrosinkova95, A. Kim96, W. Kim97, F. J. Klein98, S. Koirala99, A. Kubarovsky100, V. Kubarovsky101, S. V. Kuleshov102, N. D. Kvaltine103, B. Lee104, J. J. LeRose105, S. Lewis106, R. Lindgren107, K. Livingston108, H. Y. Lu109, I. J. D. MacGregor110, Y. Mao111, D. Martinez112, M. Mayer113, E. McCullough114, B. McKinnon115, D. Meekins116, C. A. Meyer117, R. Michaels118, T. Mineeva119, M. Mirazita120, B. Moffit121, V. Mokeev122, R. A. Montgomery123, H. Moutarde124, E. Munevar125, C. Munoz Camacho126, P. Nadel-Turonski127, R. Nasseripour128, C. S. Nepali129, S. Niccolai130, G. Niculescu131, I. Niculescu132, M. Osipenko133, A. I. Ostrovidov134, L. L. Pappalardo135, R. Paremuzyan136, K. Park137, S. Park138, G. G. Petratos139, E. Phelps140, S. Pisano141, O. Pogorelko142, S. Pozdniakov143, S. Procureur144, D. Protopopescu145, A. J. R. Puckett146, X. Qian147, Y. Qiang148, G. Ricco149, D. Rimal150, M. Ripani151, B. G. Ritchie152, I. Rodriguez153, G. Ron154, G. Rosner155, P. Rossi156, F. Sabatie157, A. Saha158, M. S. Saini159, A. J. Sarty160, B. Sawatzky161, N. A. Saylor162, D. Schott163, E. Schulte164, R. A. Schumacher165, E. Seder166, H. Seraydaryan167, R. Shneor168, G. D. Smith169, D. Sokhan170, N. Sparveris171, S. S. Stepanyan172, S. Stepanyan173, P. Stoler174, R. Subedi175, V. Sulkosky176, M. Taiuti177, W. Tang178, C. E. Taylor179, S. Tkachenko180, M. Ungaro181, B. Vernarsky182, M. F. Vineyard183, H. Voskanyan184, E. Voutier185, N. K. Walford186, Y. Wang187, D. P. Watts188, L. B. Weinstein189, D. P. Weygand190, B. Wojtsekhowski191, M. H. Wood192, X. Yan193, H. Yao194, N. Zachariou195, X. Zhan196, J. Zhang197, Z. W. Zhao198, X. Zheng199, I. Zonta200
Affiliations: 1The CLAS and Hall-A Collaborations, 2The CLAS and Hall-A Collaborations, 3The CLAS and Hall-A Collaborations, 4The CLAS and Hall-A Collaborations, 5The CLAS and Hall-A Collaborations, 6The CLAS and Hall-A Collaborations, 7The CLAS and Hall-A Collaborations, 8The CLAS and Hall-A Collaborations, 9The CLAS and Hall-A Collaborations, 10The CLAS and Hall-A Collaborations, 11The CLAS and Hall-A Collaborations, 12The CLAS and Hall-A Collaborations, 13The CLAS and Hall-A Collaborations, 14The CLAS and Hall-A Collaborations, 15The CLAS and Hall-A Collaborations, 16The CLAS and Hall-A Collaborations, 17The CLAS and Hall-A Collaborations, 18The CLAS and Hall-A Collaborations, 19The CLAS and Hall-A Collaborations, 20The CLAS and Hall-A Collaborations, 21The CLAS and Hall-A Collaborations, 22The CLAS and Hall-A Collaborations, 23The CLAS and Hall-A Collaborations, 24The CLAS and Hall-A Collaborations, 25The CLAS and Hall-A Collaborations, 26The CLAS and Hall-A Collaborations, 27The CLAS and Hall-A Collaborations, 28The CLAS and Hall-A Collaborations, 29The CLAS and Hall-A Collaborations, 30The CLAS and Hall-A Collaborations, 31The CLAS and Hall-A Collaborations, 32The CLAS and Hall-A Collaborations, 33The CLAS and Hall-A Collaborations, 34The CLAS and Hall-A Collaborations, 35The CLAS and Hall-A Collaborations, 36The CLAS and Hall-A Collaborations, 37The CLAS and Hall-A Collaborations, 38The CLAS and Hall-A Collaborations, 39The CLAS and Hall-A Collaborations, 40The CLAS and Hall-A Collaborations, 41The CLAS and Hall-A Collaborations, 42The CLAS and Hall-A Collaborations, 43The CLAS and Hall-A Collaborations, 44The CLAS and Hall-A Collaborations, 45The CLAS and Hall-A Collaborations, 46The CLAS and Hall-A Collaborations, 47The CLAS and Hall-A Collaborations, 48The CLAS and Hall-A Collaborations, 49The CLAS and Hall-A Collaborations, 50The CLAS and Hall-A Collaborations, 51The CLAS and Hall-A Collaborations, 52The CLAS and Hall-A Collaborations, 53The CLAS and 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Collaborations, 106The CLAS and Hall-A Collaborations, 107The CLAS and Hall-A Collaborations, 108The CLAS and Hall-A Collaborations, 109The CLAS and Hall-A Collaborations, 110The CLAS and Hall-A Collaborations, 111The CLAS and Hall-A Collaborations, 112The CLAS and Hall-A Collaborations, 113The CLAS and Hall-A Collaborations, 114The CLAS and Hall-A Collaborations, 115The CLAS and Hall-A Collaborations, 116The CLAS and Hall-A Collaborations, 117The CLAS and Hall-A Collaborations, 118The CLAS and Hall-A Collaborations, 119The CLAS and Hall-A Collaborations, 120The CLAS and Hall-A Collaborations, 121The CLAS and Hall-A Collaborations, 122The CLAS and Hall-A Collaborations, 123The CLAS and Hall-A Collaborations, 124The CLAS and Hall-A Collaborations, 125The CLAS and Hall-A Collaborations, 126The CLAS and Hall-A Collaborations, 127The CLAS and Hall-A Collaborations, 128The CLAS and Hall-A Collaborations, 129The CLAS and Hall-A Collaborations, 130The CLAS and Hall-A Collaborations, 131The CLAS and Hall-A Collaborations, 132The CLAS and Hall-A Collaborations, 133The CLAS and Hall-A Collaborations, 134The CLAS and Hall-A Collaborations, 135The CLAS and Hall-A Collaborations, 136The CLAS and Hall-A Collaborations, 137The CLAS and Hall-A Collaborations, 138The CLAS and Hall-A Collaborations, 139The CLAS and Hall-A Collaborations, 140The CLAS and Hall-A Collaborations, 141The CLAS and Hall-A Collaborations, 142The CLAS and Hall-A Collaborations, 143The CLAS and Hall-A Collaborations, 144The CLAS and Hall-A Collaborations, 145The CLAS and Hall-A Collaborations, 146The CLAS and Hall-A Collaborations, 147The CLAS and Hall-A Collaborations, 148The CLAS and Hall-A Collaborations, 149The CLAS and Hall-A Collaborations, 150The CLAS and Hall-A Collaborations, 151The CLAS and Hall-A Collaborations, 152The CLAS and Hall-A Collaborations, 153The CLAS and Hall-A Collaborations, 154The CLAS and Hall-A Collaborations, 155The CLAS and Hall-A Collaborations, 156The CLAS and Hall-A Collaborations, 157The CLAS and Hall-A Collaborations, 158The CLAS and Hall-A Collaborations, 159The CLAS and Hall-A Collaborations, 160The CLAS and Hall-A Collaborations, 161The CLAS and Hall-A Collaborations, 162The CLAS and Hall-A Collaborations, 163The CLAS and Hall-A Collaborations, 164The CLAS and Hall-A Collaborations, 165The CLAS and Hall-A Collaborations, 166The CLAS and Hall-A Collaborations, 167The CLAS and Hall-A Collaborations, 168The CLAS and Hall-A Collaborations, 169The CLAS and Hall-A Collaborations, 170The CLAS and Hall-A Collaborations, 171The CLAS and Hall-A Collaborations, 172The CLAS and Hall-A Collaborations, 173The CLAS and Hall-A Collaborations, 174The CLAS and Hall-A Collaborations, 175The CLAS and Hall-A Collaborations, 176The CLAS and Hall-A Collaborations, 177The CLAS and Hall-A Collaborations, 178The CLAS and Hall-A Collaborations, 179The CLAS and Hall-A Collaborations, 180The CLAS and Hall-A Collaborations, 181The CLAS and Hall-A Collaborations, 182The CLAS and Hall-A Collaborations, 183The CLAS and Hall-A Collaborations, 184The CLAS and Hall-A Collaborations, 185The CLAS and Hall-A Collaborations, 186The CLAS and Hall-A Collaborations, 187The CLAS and Hall-A Collaborations, 188The CLAS and Hall-A Collaborations, 189The CLAS and Hall-A Collaborations, 190The CLAS and Hall-A Collaborations, 191The CLAS and Hall-A Collaborations, 192The CLAS and Hall-A Collaborations, 193The CLAS and Hall-A Collaborations, 194The CLAS and Hall-A Collaborations, 195The CLAS and Hall-A Collaborations, 196The CLAS and Hall-A Collaborations, 197The CLAS and Hall-A Collaborations, 198The CLAS and Hall-A Collaborations, 199The CLAS and Hall-A Collaborations, 200The CLAS and Hall-A Collaborations

We have measured cross sections for the gamma+3He->p+d reaction at photon energies of 0.4 - 1.4 GeV and a center-of-mass angle of 90 deg. Read More

2013Feb
Authors: C. S. Nepali, M. Amaryan, K. P. Adhikari, M. Aghasyan, S. Anefalos Pereira, H. Baghdasaryan, J. Ball, M. Battaglieri, V. Batourine, I. Bedlinskiy, A. S. Biselli, J. Bono, S. Boiarinov, W. J. Briscoe, S. Bültmann, V. D. Burkert, D. S. Carman, A. Celentano, S. Chandavar, G. Charles, P. L. Cole, P. Collins, M. Contalbrigo, V. Crede, N. Dashyan, R. De Vita, E. De Sanctis, A. Deur, C. Djalali, D. Doughty, R. Dupre, A. El Alaoui, L. El Fassi, G. Fedotov, S. Fegan, R. Fersch, J. A. Fleming, M. Y. Gabrielyan, N. Gevorgyan, K. L. Giovanetti, F. X. Girod, D. I. Glazier, J. T. Goetz, W. Gohn, E. Golovatch, R. W. Gothe, K. A. Griffioen, M. Guidal, N. Guler, K. Hafidi, H. Hakobyan, C. Hanretty, N. Harrison, D. Heddle, K. Hicks, D. Ho, M. Holtrop, C. E. Hyde, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, H. S. Jo, D. Keller, M. Khandaker, P. Khetarpal, A. Kim, W. Kim, A. Klein, F. J. Klein, S. Koirala, V. Kubarovsky, S. E. Kuhn, S. V. Kuleshov, N. D. Kvaltine, H. Y. Lu, I . J . D. MacGregor, N. Markov, M. Mayer, B. McKinnon, T. Mineeva, M. Mirazita, V. Mokeev, R. A. Montgomery, E. Munevar, C. Munoz Camacho, P. Nadel-Turonski, S. Niccolai, G. Niculescu, I. Niculescu, M. Osipenko, A. I. Ostrovidov, L. L. Pappalardo, R. Paremuzyan, K. Park, S. Park, E. Pasyuk, E. Phelps, J. J. Phillips, S. Pisano, O. Pogorelko, S. Pozdniakov, J. W. Price, S. Procureur, D. Protopopescu, A. J. R. Puckett, B. A. Raue, D. Rimal, M. Ripani, B. G. Ritchie, G. Rosner, P. Rossi, F. Sabatié, M. S. Saini, C. Salgado, D. Schott, R. A. Schumacher, E. Seder, H. Seraydaryan, Y. G. Sharabian, G. D. Smith, D. I. Sober, D. Sokhan, S. S. Stepanyan, S. Stepanyan, I. I. Strakovsky, S. Strauch, M. Taiuti, W. Tang, C. E. Taylor, Ye Tian, S. Tkachenko, B. Torayev, B. Vernarsky, A. V. Vlassov, H. Voskanyan, E. Voutier, N. K. Walford, D. P. Watts, L. B. Weinstein, D. P. Weygand, N. Zachariou, L. Zana, J. Zhang, Z. W. Zhao, I. Zonta, J. Zhang

Experimental results on the $\Sigma^+(1189)$ hyperon transverse polarization in photoproduction on a hydrogen target using the CLAS detector at Jefferson laboratory are presented. The $\Sigma^+(1189)$ was reconstructed in the exclusive reaction $\gamma+p\rightarrow K^{0}_{S} + \Sigma^+(1189)$ via the $\Sigma^{+} \to p \pi^{0}$ decay mode. The $K^{0}_S$ was reconstructed in the invariant mass of two oppositely charged pions with the $\pi^0$ identified in the missing mass of the detected $p\pi^+\pi^-$ final state. Read More

Posing Kepler's problem of motion around a fixed "sun" requires the geometric mechanician to choose a metric and a Laplacian. The metric provides the kinetic energy. The fundamental solution to the Laplacian (with delta source at the "sun") provides the potential energy. Read More

2012Nov
Authors: P. Khetarpal, P. Stoler, I. G. Aznauryan, V. Kubarovsky, K. P. Adhikari, D. Adikaram, M. Aghasyan, M. J. Amaryan, M. D. Anderson, S. Anefalos Pereira, M. Anghinolfi, H. Avakian, H. Baghdasaryan, J. Ball, N. A. Baltzell, M. Battaglieri, V. Batourine, I. Bedlinskiy, A. S. Biselli, J. Bono, S. Boiarinov, W. J. Briscoe, W. K. Brooks, V. D. Burkert, D. S. Carman, A. Celentano, G. Charles, P. L. Cole, M. Contalbrigo, V. Crede, A. D'Angelo, N. Dashyan, R. De Vita, E. De Sanctis, A. Deur, C. Djalali, D. Doughty, M. Dugger, R. Dupre, H. Egiyan, A. El Alaoui, L. El Fassi, P. Eugenio, G. Fedotov, S. Fegan, R. Fersch, J. A. Fleming, A. Fradi, M. Y. Gabrielyan, M. Garçon, N. Gevorgyan, G. P. Gilfoyle, K. L. Giovanetti, F. X. Girod, J. T. Goetz, W. Gohn, E. Golovatch, R. W. Gothe, K. A. Griffioen, B. Guegan, M. Guidal, L. Guo, K. Hafidi, H. Hakobyan, C. Hanretty, N. Harrison, K. Hicks, D. Ho, M. Holtrop, C. E. Hyde, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, H. S. Jo, K. Joo, D. Keller, M. Khandaker, A. Kim, W. Kim, F. J. Klein, S. Koirala, A. Kubarovsky, S. V. Kuleshov, N. D. Kvaltine, S. Lewis, K. Livingston, H. Y. Lu, I. J. D. MacGregor, Y. Mao, D. Martinez, M. Mayer, B. McKinnon, C. A. Meyer, T. Mineeva, M. Mirazita, V. Mokeev, R. A. Montgomery, H. Moutarde, E. Munevar, C. Munoz Camacho, P. Nadel-Turonski, R. Nasseripour, S. Niccolai, G. Niculescu, I. Niculescu, M. Osipenko, A. I. Ostrovidov, L. L. Pappalardo, R. Paremuzyan, K. Park, S. Park, E. Pasyuk, E. Phelps, J. J. Phillips, S. Pisano, O. Pogorelko, S. Pozdniakov, J. W. Price, S. Procureur, D. Protopopescu, A. J. R. Puckett, B. A. Raue, G. Ricco, D. Rimal, M. Ripani, G. Rosner, P. Rossi, F. Sabatié, M. S. Saini, C. Salgado, N. A. Saylor, D. Schott, R. A. Schumacher, E. Seder, H. Seraydaryan, Y. G. Sharabian, G. D. Smith, D. I. Sober, D. Sokhan, S. S. Stepanyan, S. Stepanyan, I. I. Strakovsky, S. Strauch, M. Taiuti, W. Tang, C. E. Taylor, S. Tkachenko, M. Ungaro, B. Vernarsky, H. Voskanyan, E. Voutier, N. K. Walford, L. B. Weinstein, D. P. Weygand, M. H. Wood, N. Zachariou, J. Zhang, Z. W. Zhao, I. Zonta

We report the measurement of near threshold neutral pion electroproduction cross sections and the extraction of the associated structure functions on the proton in the kinematic range $Q^2$ from 2 to 4.5 GeV$^2$ and $W$ from 1.08 to 1. Read More

2012Jul
Authors: PANDA Collaboration, W. Erni1, I. Keshelashvili2, B. Krusche3, M. Steinacher4, Y. Heng5, Z. Liu6, H. Liu7, X. Shen8, Q. Wang9, H. Xu10, M. Albrecht11, J. Becker12, K. Eickel13, F. Feldbauer14, M. Fink15, P. Friedel16, F. H. Heinsius17, T. Held18, H. Koch19, B. Kopf20, M. Leyhe21, C. Motzko22, M. Pelizäus23, J. Pychy24, B. Roth25, T. Schröder26, J. Schulze27, M. Steinke28, T. Trifterer29, U. Wiedner30, J. Zhong31, R. Beck32, M. Becker33, S. Bianco34, K. -Th. Brinkmann35, C. Hammann36, F. Hinterberger37, R. Jäkel38, D. Kaiser39, R. Kliemt40, K. Koop41, C. Schmidt42, R. Schnell43, U. Thoma44, P. Vlasov45, C. Wendel46, A. Winnebeck47, Th. Würschig48, H. -G. Zaunick49, A. Bianconi50, M. Bragadireanu51, M. Caprini52, M. Ciubancan53, D. Pantea54, P. -D Tarta55, M. De Napoli56, F. Giacoppo57, E. Rapisarda58, C. Sfienti59, T. Fiutowski60, N. Idzik61, B. Mindur62, D. Przyborowski63, K. Swientek64, E. Bialkowski65, A. Budzanowski66, B. Czech67, S. Kliczewski68, A. Kozela69, P. Kulessa70, P. Lebiedowicz71, K. Malgorzata72, K. Pysz73, W. Schäfer74, R. Siudak75, A. Szczurek76, P. Brandys77, T. Czyzewski78, W. Czyzycki79, M. Domagala80, M. Hawryluk81, G. Filo82, D. Kwiatkowski83, E. Lisowski84, F. Lisowski85, W. Bardan86, D. Gil87, B. Kamys88, St. Kistryn89, K. Korcyl90, W. Krzemieñ91, A. Magiera92, P. Moskal93, Z. Rudy94, P. Salabura95, J. Smyrski96, A. Wroñska97, M. Al-Turany98, R. Arora99, I. Augustin100, H. Deppe101, D. Dutta102, H. Flemming103, K. Götzen104, G. Hohler105, R. Karabowicz106, D. Lehmann107, B. Lewandowski108, J. Lühning109, F. Maas110, H. Orth111, K. Peters112, T. Saito113, G. Schepers114, C. J. Schmidt115, L. Schmitt116, C. Schwarz117, J. Schwiening118, B. Voss119, P. Wieczorek120, A. Wilms121, V. M. Abazov122, G. D. Alexeev123, V. A. Arefiev124, V. I. Astakhov125, M. Yu. Barabanov126, B. V. Batyunya127, Yu. I. Davydov128, V. Kh. Dodokhov129, A. A. Efremov130, A. G. Fedunov131, A. A. Feshchenko132, A. S. Galoyan133, S. Grigoryan134, A. Karmokov135, E. K. Koshurnikov136, V. I. Lobanov137, Yu. Yu. Lobanov138, A. F. Makarov139, L. V. Malinina140, V. L. Malyshev141, G. A. Mustafaev142, A. G. Olshevski143, M. A. Pasyuk144, E. A. Perevalova145, A. A. Piskun146, T. A. Pocheptsov147, G. Pontecorvo148, V. K. Rodionov149, Yu. N. Rogov150, R. A. Salmin151, A. G. Samartsev152, M. G. Sapozhnikov153, G. S. Shabratova154, A. N. Skachkova155, N. B. Skachkov156, E. A. Strokovsky157, M. K. Suleimanov158, R. Sh. Teshev159, V. V. Tokmenin160, V. V. Uzhinsky161, A. S. Vodopyanov162, S. A. Zaporozhets163, N. I. Zhuravlev164, A. G. Zorin165, D. Branford166, D. Glazier167, D. Watts168, P. Woods169, A. Britting170, W. Eyrich171, A. Lehmann172, F. Uhlig173, S. Dobbs174, Z. Metreveli175, K. Seth176, B. Tann177, A. Tomaradze178, D. Bettoni179, V. Carassiti180, P. Dalpiaz181, A. Drago182, E. Fioravanti183, I. Garzia184, M. Negrini185, M. Savriè186, G. Stancari187, B. Dulach188, P. Gianotti189, C. Guaraldo190, V. Lucherini191, E. Pace192, A. Bersani193, M. Macri194, M. Marinelli195, R. F. Parodi196, V. Dormenev197, P. Drexler198, M. Düren199, T. Eisner200, K. Foehl201, A. Hayrapetyan202, P. Koch203, B. Krïoch204, W. Kühn205, S. Lange206, Y. Liang207, M. Liu208, O. Merle209, V. Metag210, M. Moritz211, M. Nanova212, R. Novotny213, B. Spruck214, H. Stenzel215, C. Strackbein216, M. Thiel217, Q. Wang218, T. Clarkson219, C. Euan220, G. Hill221, M. Hoek222, D. Ireland223, R. Kaiser224, T. Keri225, I. Lehmann226, K. Livingston227, P. Lumsden228, D. MacGregor229, B. McKinnon230, R. Montgomery231, M. Murray232, D. Protopopescu233, G. Rosner234, B. Seitz235, G. Yang236, M. Babai237, A. K. Biegun238, A. Glazenborg-Kluttig239, E. Guliyev240, V. S. Jothi241, M. Kavatsyuk242, P. Lemmens243, H. Löhner244, J. Messchendorp245, T. Poelman246, H. Smit247, J. C. van der Weele248, H. Sohlbach249, M. Büscher250, R. Dosdall251, R. Dzhygadlo252, S. Esch253, A. Gillitzer254, F. Goldenbaum255, D. Grunwald256, V. Jha257, G. Kemmerling258, H. Kleines259, A. Lehrach260, R. Maier261, M. Mertens262, H. Ohm263, D. L. Pohl264, D. Prasuhn265, T. Randriamalala266, J. Ritman267, M. Roeder268, G. Sterzenbach269, T. Stockmanns270, P. Wintz271, P. Wüstner272, H. Xu273, J. Kisiel274, S. Li275, Z. Li276, Z. Sun277, H. Xu278, K. Fissum279, K. Hansen280, L. Isaksson281, M. Lundin282, B. Schröder283, P. Achenbach284, A. Denig285, M. Distler286, M. Fritsch287, D. Kangh288, A. Karavdina289, W. Lauth290, M. Michel291, M. C. Mora Espi292, J. Pochodzalla293, S. Sanchez294, A. Sanchez-Lorente295, C. Sfienti296, T. Weber297, V. I. Dormenev298, A. A. Fedorov299, M. V. Korzhik300, O. V. Missevitch301, V. Balanutsa302, V. Chernetsky303, A. Demekhin304, A. Dolgolenko305, P. Fedorets306, A. Gerasimov307, V. Goryachev308, A. Boukharov309, O. Malyshev310, I. Marishev311, A. Semenov312, R. Varma313, B. Ketzer314, I. Konorov315, A. Mann316, S. Neubert317, S. Paul318, M. Vandenbroucke319, Q. Zhang320, A. Khoukaz321, T. Rausmann322, A. Täschner323, J. Wessels324, E. Baldin325, K. Kotov326, S. Peleganchuk327, Yu. Tikhonov328, T. Hennino329, M. Imre330, R. Kunne331, C. Le Galliard332, J. P. Le Normand333, D. Marchand334, A. Maroni335, S. Ong336, J. Pouthas337, B. Ramstein338, P. Rosier339, M. Sudol340, C. Theneau341, E. Tomasi-Gustafsson342, J. Van de Wiele343, T. Zerguerras344, G. Boca345, A. Braghieri346, S. Costanza347, A. Fontana348, P. Genova349, L. Lavezzi350, P. Montagna351, A. Rotondi352, V. Buda353, V. V. Abramov354, A. M. Davidenko355, A. A. Derevschikov356, Y. M. Goncharenko357, V. N. Grishin358, V. A. Kachanov359, D. A. Konstantinov360, V. A. Kormilitsin361, Y. A. Matulenko362, Y. M. Melnik363, A. P. Meschanin364, N. G. Minaev365, V. V. Mochalov366, D. A. Morozov367, L. V. Nogach368, S. B. Nurushev369, A. V. Ryazantsev370, P. A. Semenov371, L. F. Soloviev372, A. V. Uzunian373, A. N. Vasiliev374, A. E. Yakutin375, S. Belostotski376, G. Gavrilov377, A. Itzotov378, A. Kisselev379, P. Kravchenko380, S. Manaenkov381, O. Miklukho382, Y. Naryshkin383, D. Veretennikov384, V. Vikhrov385, A. Zhadanov386, T. Bäck387, B. Cederwall388, C. Bargholtz389, L. Gerén390, P. E. Tegnér391, P. Thørngren392, K. M. von Würtemberg393, L. Fava394, D. Alberto395, A. Amoroso396, M. P. Bussa397, L. Busso398, F. De Mori399, M. Destefanis400, L. Ferrero401, M. Greco402, T. Kugathasan403, M. Maggiora404, S. Marcello405, S. Sosio406, S. Spataro407, D. Calvo408, S. Coli409, P. De Remigis410, A. Filippi411, G. Giraudo412, S. Lusso413, G. Mazza414, M. Mignone415, A. Rivetti416, R. Wheadon417, L. Zotti418, O. Morra419, F. Iazzi420, A. Lavagno421, P. Quarati422, K. Szymanska423, R. Birsa424, F. Bradamante425, A. Bressan426, A. Martin427, H. Clement428, B. Galnander429, H. Calén430, K. Fransson431, T. Johansson432, A. Kupsc433, P. Marciniewski434, E. Thomé435, M. Wolke436, J. Zlomanczuk437, J. Díaz438, A. Ortiz439, P. Buda440, K. Dmowski441, R. Korzeniewski442, D. Przemyslaw443, B. Slowinski444, S. Borsuk445, A. Chlopik446, Z. Guzik447, J. Kopec448, T. Kozlowski449, D. Melnychuk450, M. Plominski451, J. Szewinski452, K. Traczyk453, B. Zwieglinski454, P. Bühler455, A. Gruber456, P. Kienle457, J. Marton458, E. Widmann459, J. Zmeskal460
Affiliations: 1Universität Basel Switzerland, 2Universität Basel Switzerland, 3Universität Basel Switzerland, 4Universität Basel Switzerland, 5Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 6Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 7Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 8Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 9Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 10Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 11Universität Bochum I. Institut für Experimentalphysik, Germany, 12Universität Bochum I. Institut für Experimentalphysik, Germany, 13Universität Bochum I. Institut für Experimentalphysik, Germany, 14Universität Bochum I. Institut für Experimentalphysik, Germany, 15Universität Bochum I. Institut für Experimentalphysik, Germany, 16Universität Bochum I. Institut für Experimentalphysik, Germany, 17Universität Bochum I. Institut für Experimentalphysik, Germany, 18Universität Bochum I. Institut für Experimentalphysik, Germany, 19Universität Bochum I. Institut für Experimentalphysik, Germany, 20Universität Bochum I. Institut für Experimentalphysik, Germany, 21Universität Bochum I. Institut für Experimentalphysik, Germany, 22Universität Bochum I. Institut für Experimentalphysik, Germany, 23Universität Bochum I. Institut für Experimentalphysik, Germany, 24Universität Bochum I. Institut für Experimentalphysik, Germany, 25Universität Bochum I. Institut für Experimentalphysik, Germany, 26Universität Bochum I. Institut für Experimentalphysik, Germany, 27Universität Bochum I. Institut für Experimentalphysik, Germany, 28Universität Bochum I. Institut für Experimentalphysik, Germany, 29Universität Bochum I. Institut für Experimentalphysik, Germany, 30Universität Bochum I. Institut für Experimentalphysik, Germany, 31Universität Bochum I. Institut für Experimentalphysik, Germany, 32Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 33Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 34Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 35Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 36Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 37Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 38Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 39Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 40Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 41Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 42Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 43Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 44Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 45Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 46Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 47Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 48Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 49Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 50Università di Brescia Italy, 51Institutul National de C&D pentru Fizica si Inginerie Nucleara "Horia Hulubei", Bukarest-Magurele Romania, 52Institutul National de C&D pentru Fizica si Inginerie Nucleara "Horia Hulubei", Bukarest-Magurele Romania, 53Institutul National de C&D pentru Fizica si Inginerie Nucleara "Horia Hulubei", Bukarest-Magurele Romania, 54Institutul National de C&D pentru Fizica si Inginerie Nucleara "Horia Hulubei", Bukarest-Magurele Romania, 55Institutul National de C&D pentru Fizica si Inginerie Nucleara "Horia Hulubei", Bukarest-Magurele Romania, 56Dipartimento di Fisica e Astronomia dell'Università di Catania and INFN, Sezione di Catania Italy, 57Dipartimento di Fisica e Astronomia dell'Università di Catania and INFN, Sezione di Catania Italy, 58Dipartimento di Fisica e Astronomia dell'Università di Catania and INFN, Sezione di Catania Italy, 59Dipartimento di Fisica e Astronomia dell'Università di Catania and INFN, Sezione di Catania Italy, 60AGH University of Science and Technology Cracow Poland, 61AGH University of Science and Technology Cracow Poland, 62AGH University of Science and Technology Cracow Poland, 63AGH University of Science and Technology Cracow Poland, 64AGH University of Science and Technology Cracow Poland, 65IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 66IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 67IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 68IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 69IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 70IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 71IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 72IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 73IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 74IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 75IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 76IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 77Institute of Applied Informatics, University of Technology, Cracow Poland, 78Institute of Applied Informatics, University of Technology, Cracow Poland, 79Institute of Applied Informatics, University of Technology, Cracow Poland, 80Institute of Applied Informatics, University of Technology, Cracow Poland, 81Institute of Applied Informatics, University of Technology, Cracow Poland, 82Institute of Applied Informatics, University of Technology, Cracow Poland, 83Institute of Applied Informatics, University of Technology, Cracow Poland, 84Institute of Applied Informatics, University of Technology, Cracow Poland, 85Institute of Applied Informatics, University of Technology, Cracow Poland, 86Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 87Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 88Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 89Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 90Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 91Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 92Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 93Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 94Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 95Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 96Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 97Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 98Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 99Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 100Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 101Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 102Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 103Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 104Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 105Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 106Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 107Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 108Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 109Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 110Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 111Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 112Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 113Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 114Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 115Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 116Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 117Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 118Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 119Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 120Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 121Gesellschaft für Schwerionenforschung mbH, Darmstadt Germany, 122Veksler-Baldin Laboratory of High Energies, 123Veksler-Baldin Laboratory of High Energies, 124Veksler-Baldin Laboratory of High Energies, 125Veksler-Baldin Laboratory of High Energies, 126Veksler-Baldin Laboratory of High Energies, 127Veksler-Baldin Laboratory of High Energies, 128Veksler-Baldin Laboratory of High Energies, 129Veksler-Baldin Laboratory of High Energies, 130Veksler-Baldin Laboratory of High Energies, 131Veksler-Baldin Laboratory of High Energies, 132Veksler-Baldin Laboratory of High Energies, 133Veksler-Baldin Laboratory of High Energies, 134Veksler-Baldin Laboratory of High Energies, 135Veksler-Baldin Laboratory of High Energies, 136Veksler-Baldin Laboratory of High Energies, 137Veksler-Baldin Laboratory of High Energies, 138Veksler-Baldin Laboratory of High Energies, 139Veksler-Baldin Laboratory of High Energies, 140Veksler-Baldin Laboratory of High Energies, 141Veksler-Baldin Laboratory of High Energies, 142Veksler-Baldin Laboratory of High Energies, 143Veksler-Baldin Laboratory of High Energies, 144Veksler-Baldin Laboratory of High Energies, 145Veksler-Baldin Laboratory of High Energies, 146Veksler-Baldin Laboratory of High Energies, 147Veksler-Baldin Laboratory of High Energies, 148Veksler-Baldin Laboratory of High Energies, 149Veksler-Baldin Laboratory of High Energies, 150Veksler-Baldin Laboratory of High Energies, 151Veksler-Baldin Laboratory of High Energies, 152Veksler-Baldin Laboratory of High Energies, 153Veksler-Baldin Laboratory of High Energies, 154Veksler-Baldin Laboratory of High Energies, 155Veksler-Baldin Laboratory of High Energies, 156Veksler-Baldin Laboratory of High Energies, 157Veksler-Baldin Laboratory of High Energies, 158Veksler-Baldin Laboratory of High Energies, 159Veksler-Baldin Laboratory of High Energies, 160Veksler-Baldin Laboratory of High Energies, 161Veksler-Baldin Laboratory of High Energies, 162Veksler-Baldin Laboratory of High Energies, 163Veksler-Baldin Laboratory of High Energies, 164Veksler-Baldin Laboratory of High Energies, 165Veksler-Baldin Laboratory of High Energies, 166University of Edinburgh United Kingdom, 167University of Edinburgh United Kingdom, 168University of Edinburgh United Kingdom, 169University of Edinburgh United Kingdom, 170Friedrich Alexander Universität Erlangen-Nürnberg Germany, 171Friedrich Alexander Universität Erlangen-Nürnberg Germany, 172Friedrich Alexander Universität Erlangen-Nürnberg Germany, 173Friedrich Alexander Universität Erlangen-Nürnberg Germany, 174Northwestern University, Evanston U. S. A, 175Northwestern University, Evanston U. S. A, 176Northwestern University, Evanston U. S. A, 177Northwestern University, Evanston U. S. A, 178Northwestern University, Evanston U. S. A, 179Università di Ferrara and INFN, Sezione di Ferrara, Italy, 180Università di Ferrara and INFN, Sezione di Ferrara, Italy, 181Università di Ferrara and INFN, Sezione di Ferrara, Italy, 182Università di Ferrara and INFN, Sezione di Ferrara, Italy, 183Università di Ferrara and INFN, Sezione di Ferrara, Italy, 184Università di Ferrara and INFN, Sezione di Ferrara, Italy, 185Università di Ferrara and INFN, Sezione di Ferrara, Italy, 186Università di Ferrara and INFN, Sezione di Ferrara, Italy, 187Università di Ferrara and INFN, Sezione di Ferrara, Italy, 188INFN-Laboratori Nazionali di Frascati Italy, 189INFN-Laboratori Nazionali di Frascati Italy, 190INFN-Laboratori Nazionali di Frascati Italy, 191INFN-Laboratori Nazionali di Frascati Italy, 192INFN-Laboratori Nazionali di Frascati Italy, 193INFN, Sezione di Genova Italy, 194INFN, Sezione di Genova Italy, 195INFN, Sezione di Genova Italy, 196INFN, Sezione di Genova Italy, 197Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 198Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 199Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 200Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 201Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 202Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 203Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 204Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 205Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 206Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 207Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 208Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 209Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 210Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 211Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 212Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 213Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 214Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 215Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 216Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 217Justus Liebig-Universität Gießen II. Physikalisches Institut, Germany, 218Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 219University of Glasgow United Kingdom, 220University of Glasgow United Kingdom, 221University of Glasgow United Kingdom, 222University of Glasgow United Kingdom, 223University of Glasgow United Kingdom, 224University of Glasgow United Kingdom, 225University of Glasgow United Kingdom, 226University of Glasgow United Kingdom, 227University of Glasgow United Kingdom, 228University of Glasgow United Kingdom, 229University of Glasgow United Kingdom, 230University of Glasgow United Kingdom, 231University of Glasgow United Kingdom, 232University of Glasgow United Kingdom, 233University of Glasgow United Kingdom, 234University of Glasgow United Kingdom, 235University of Glasgow United Kingdom, 236University of Glasgow United Kingdom, 237Kernfysisch Versneller Instituut, University of Groningen Netherlands, 238Kernfysisch Versneller Instituut, University of Groningen Netherlands, 239Kernfysisch Versneller Instituut, University of Groningen Netherlands, 240Kernfysisch Versneller Instituut, University of Groningen Netherlands, 241Kernfysisch Versneller Instituut, University of Groningen Netherlands, 242Kernfysisch Versneller Instituut, University of Groningen Netherlands, 243Kernfysisch Versneller Instituut, University of Groningen Netherlands, 244Kernfysisch Versneller Instituut, University of Groningen Netherlands, 245Kernfysisch Versneller Instituut, University of Groningen Netherlands, 246Kernfysisch Versneller Instituut, University of Groningen Netherlands, 247Kernfysisch Versneller Instituut, University of Groningen Netherlands, 248Kernfysisch Versneller Instituut, University of Groningen Netherlands, 249Fachhochschule Südwestfalen, Iserlohn Germany, 250Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 251Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 252Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 253Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 254Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 255Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 256Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 257Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 258Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 259Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 260Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 261Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 262Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 263Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 264Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 265Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 266Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 267Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 268Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 269Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 270Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 271Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 272Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 273Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 274University of Silesia, Katowice Poland, 275Chinese Academy of Science, Institute of Modern Physics, Lanzhou China, 276Chinese Academy of Science, Institute of Modern Physics, Lanzhou China, 277Chinese Academy of Science, Institute of Modern Physics, Lanzhou China, 278Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 279Lunds Universitet, Department of Physics, Lund Sweden, 280Lunds Universitet, Department of Physics, Lund Sweden, 281Lunds Universitet, Department of Physics, Lund Sweden, 282Lunds Universitet, Department of Physics, Lund Sweden, 283Lunds Universitet, Department of Physics, Lund Sweden, 284Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 285Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 286Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 287Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 288Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 289Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 290Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 291Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 292Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 293Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 294Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 295Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 296Dipartimento di Fisica e Astronomia dell'Università di Catania and INFN, Sezione di Catania Italy, 297Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 298Research Institute for Nuclear Problems, Belarus State University, Minsk Belarus, 299Research Institute for Nuclear Problems, Belarus State University, Minsk Belarus, 300Research Institute for Nuclear Problems, Belarus State University, Minsk Belarus, 301Research Institute for Nuclear Problems, Belarus State University, Minsk Belarus, 302Institute for Theoretical and Experimental Physics, Moscow Russia, 303Institute for Theoretical and Experimental Physics, Moscow Russia, 304Institute for Theoretical and Experimental Physics, Moscow Russia, 305Institute for Theoretical and Experimental Physics, Moscow Russia, 306Institute for Theoretical and Experimental Physics, Moscow Russia, 307Institute for Theoretical and Experimental Physics, Moscow Russia, 308Institute for Theoretical and Experimental Physics, Moscow Russia, 309Moscow Power Engineering Institute, Moscow Russia, 310Moscow Power Engineering Institute, Moscow Russia, 311Moscow Power Engineering Institute, Moscow Russia, 312Moscow Power Engineering Institute, Moscow Russia, 313IIT Bombay, Department of Physics, Mumbai India, 314Technische Universität München Germany, 315Technische Universität München Germany, 316Technische Universität München Germany, 317Technische Universität München Germany, 318Technische Universität München Germany, 319Technische Universität München Germany, 320Technische Universität München Germany, 321Westfälische Wilhelms-Universität Münster Germany, 322Westfälische Wilhelms-Universität Münster Germany, 323Westfälische Wilhelms-Universität Münster Germany, 324Westfälische Wilhelms-Universität Münster Germany, 325Budker Institute of Nuclear Physics, Novosibirsk Russia, 326Budker Institute of Nuclear Physics, Novosibirsk Russia, 327Budker Institute of Nuclear Physics, Novosibirsk Russia, 328Budker Institute of Nuclear Physics, Novosibirsk Russia, 329Institut de Physique Nucléaire, Orsay France, 330Institut de Physique Nucléaire, Orsay France, 331Institut de Physique Nucléaire, Orsay France, 332Institut de Physique Nucléaire, Orsay France, 333Institut de Physique Nucléaire, Orsay France, 334Institut de Physique Nucléaire, Orsay France, 335Institut de Physique Nucléaire, Orsay France, 336Institut de Physique Nucléaire, Orsay France, 337Institut de Physique Nucléaire, Orsay France, 338Institut de Physique Nucléaire, Orsay France, 339Institut de Physique Nucléaire, Orsay France, 340Institut de Physique Nucléaire, Orsay France, 341Institut de Physique Nucléaire, Orsay France, 342Institut de Physique Nucléaire, Orsay France, 343Institut de Physique Nucléaire, Orsay France, 344Institut de Physique Nucléaire, Orsay France, 345Dipartimento di Fisica Nucleare e Teorica, Università di Pavia, INFN, Sezione di Pavia, Pavia Italy, 346Dipartimento di Fisica Nucleare e Teorica, Università di Pavia, INFN, Sezione di Pavia, Pavia Italy, 347Dipartimento di Fisica Nucleare e Teorica, Università di Pavia, INFN, Sezione di Pavia, Pavia Italy, 348Dipartimento di Fisica Nucleare e Teorica, Università di Pavia, INFN, Sezione di Pavia, Pavia Italy, 349Dipartimento di Fisica Nucleare e Teorica, Università di Pavia, INFN, Sezione di Pavia, Pavia Italy, 350Dipartimento di Fisica Nucleare e Teorica, Università di Pavia, INFN, Sezione di Pavia, Pavia Italy, 351Dipartimento di Fisica Nucleare e Teorica, Università di Pavia, INFN, Sezione di Pavia, Pavia Italy, 352Dipartimento di Fisica Nucleare e Teorica, Università di Pavia, INFN, Sezione di Pavia, Pavia Italy, 353Institute for High Energy Physics, Protvino Russia, 354Institute for High Energy Physics, Protvino Russia, 355Institute for High Energy Physics, Protvino Russia, 356Institute for High Energy Physics, Protvino Russia, 357Institute for High Energy Physics, Protvino Russia, 358Institute for High Energy Physics, Protvino Russia, 359Institute for High Energy Physics, Protvino Russia, 360Institute for High Energy Physics, Protvino Russia, 361Institute for High Energy Physics, Protvino Russia, 362Institute for High Energy Physics, Protvino Russia, 363Institute for High Energy Physics, Protvino Russia, 364Institute for High Energy Physics, Protvino Russia, 365Institute for High Energy Physics, Protvino Russia, 366Institute for High Energy Physics, Protvino Russia, 367Institute for High Energy Physics, Protvino Russia, 368Institute for High Energy Physics, Protvino Russia, 369Institute for High Energy Physics, Protvino Russia, 370Institute for High Energy Physics, Protvino Russia, 371Institute for High Energy Physics, Protvino Russia, 372Institute for High Energy Physics, Protvino Russia, 373Institute for High Energy Physics, Protvino Russia, 374Institute for High Energy Physics, Protvino Russia, 375Institute for High Energy Physics, Protvino Russia, 376Petersburg Nuclear Physics Institute of Academy of Science, Gatchina, St. Petersburg Russia, 377Petersburg Nuclear Physics Institute of Academy of Science, Gatchina, St. Petersburg Russia, 378Petersburg Nuclear Physics Institute of Academy of Science, Gatchina, St. Petersburg Russia, 379Petersburg Nuclear Physics Institute of Academy of Science, Gatchina, St. Petersburg Russia, 380Petersburg Nuclear Physics Institute of Academy of Science, Gatchina, St. Petersburg Russia, 381Petersburg Nuclear Physics Institute of Academy of Science, Gatchina, St. Petersburg Russia, 382Petersburg Nuclear Physics Institute of Academy of Science, Gatchina, St. Petersburg Russia, 383Petersburg Nuclear Physics Institute of Academy of Science, Gatchina, St. Petersburg Russia, 384Petersburg Nuclear Physics Institute of Academy of Science, Gatchina, St. Petersburg Russia, 385Petersburg Nuclear Physics Institute of Academy of Science, Gatchina, St. Petersburg Russia, 386Petersburg Nuclear Physics Institute of Academy of Science, Gatchina, St. Petersburg Russia, 387Kungliga Tekniska Högskolan, Stockholm Sweden, 388Kungliga Tekniska Högskolan, Stockholm Sweden, 389Stockholms Universitet, Stockholm Sweden, 390Stockholms Universitet, Stockholm Sweden, 391Stockholms Universitet, Stockholm Sweden, 392Stockholms Universitet, Stockholm Sweden, 393Stockholms Universitet, Stockholm Sweden, 394Università del Piemonte Orientale Alessandria and INFN, Sezione di Torino, Torino Italy, 395Università di Torino and INFN, Sezione di Torino, Torino Italy, 396Università di Torino and INFN, Sezione di Torino, Torino Italy, 397Università di Torino and INFN, Sezione di Torino, Torino Italy, 398Università di Torino and INFN, Sezione di Torino, Torino Italy, 399Università di Torino and INFN, Sezione di Torino, Torino Italy, 400Università di Torino and INFN, Sezione di Torino, Torino Italy, 401Università di Torino and INFN, Sezione di Torino, Torino Italy, 402Università di Torino and INFN, Sezione di Torino, Torino Italy, 403Università di Torino and INFN, Sezione di Torino, Torino Italy, 404Università di Torino and INFN, Sezione di Torino, Torino Italy, 405Università di Torino and INFN, Sezione di Torino, Torino Italy, 406Università di Torino and INFN, Sezione di Torino, Torino Italy, 407Università di Torino and INFN, Sezione di Torino, Torino Italy, 408INFN, Sezione di Torino, Torino Italy, 409INFN, Sezione di Torino, Torino Italy, 410INFN, Sezione di Torino, Torino Italy, 411INFN, Sezione di Torino, Torino Italy, 412INFN, Sezione di Torino, Torino Italy, 413INFN, Sezione di Torino, Torino Italy, 414INFN, Sezione di Torino, Torino Italy, 415INFN, Sezione di Torino, Torino Italy, 416INFN, Sezione di Torino, Torino Italy, 417INFN, Sezione di Torino, Torino Italy, 418INFN, Sezione di Torino, Torino Italy, 419INAF-IFSI and INFN, Sezione di Torino, Torino Italy, 420Politecnico di Torino and INFN, Sezione di Torino, Torino Italy, 421Politecnico di Torino and INFN, Sezione di Torino, Torino Italy, 422Politecnico di Torino and INFN, Sezione di Torino, Torino Italy, 423Politecnico di Torino and INFN, Sezione di Torino, Torino Italy, 424Università di Trieste and INFN, Sezione di Trieste, Trieste Italy, 425Università di Trieste and INFN, Sezione di Trieste, Trieste Italy, 426Università di Trieste and INFN, Sezione di Trieste, Trieste Italy, 427Università di Trieste and INFN, Sezione di Trieste, Trieste Italy, 428Universität Tübingen, Tübingen Germany, 429The Svedberg Laboratory, Uppsala Sweden, 430Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 431Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 432Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 433Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 434Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 435Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 436Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 437Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 438Universitat de Valencia, Dpto. de Física Atómica, Molecular y Nuclear, Valencia Spain, 439Universitat de Valencia, Dpto. de Física Atómica, Molecular y Nuclear, Valencia Spain, 440Warsaw University of Technology, Institute of Atomic Energy Otwock-Swierk, Warsaw Poland, 441Warsaw University of Technology, Institute of Atomic Energy Otwock-Swierk, Warsaw Poland, 442Warsaw University of Technology, Institute of Atomic Energy Otwock-Swierk, Warsaw Poland, 443Warsaw University of Technology, Institute of Atomic Energy Otwock-Swierk, Warsaw Poland, 444Warsaw University of Technology, Institute of Atomic Energy Otwock-Swierk, Warsaw Poland, 445Soltan Institute for Nuclear Studies, Warsaw Poland, 446Soltan Institute for Nuclear Studies, Warsaw Poland, 447Soltan Institute for Nuclear Studies, Warsaw Poland, 448Soltan Institute for Nuclear Studies, Warsaw Poland, 449Soltan Institute for Nuclear Studies, Warsaw Poland, 450Soltan Institute for Nuclear Studies, Warsaw Poland, 451Soltan Institute for Nuclear Studies, Warsaw Poland, 452Soltan Institute for Nuclear Studies, Warsaw Poland, 453Soltan Institute for Nuclear Studies, Warsaw Poland, 454Soltan Institute for Nuclear Studies, Warsaw Poland, 455Österreichische Akademie der Wissenschaften, Stefan Meyer Institut für Subatomare Physik, Wien Austria, 456Österreichische Akademie der Wissenschaften, Stefan Meyer Institut für Subatomare Physik, Wien Austria, 457Österreichische Akademie der Wissenschaften, Stefan Meyer Institut für Subatomare Physik, Wien Austria, 458Österreichische Akademie der Wissenschaften, Stefan Meyer Institut für Subatomare Physik, Wien Austria, 459Österreichische Akademie der Wissenschaften, Stefan Meyer Institut für Subatomare Physik, Wien Austria, 460Österreichische Akademie der Wissenschaften, Stefan Meyer Institut für Subatomare Physik, Wien Austria

This document illustrates the technical layout and the expected performance of the Micro Vertex Detector (MVD) of the PANDA experiment. The MVD will detect charged particles as close as possible to the interaction zone. Design criteria and the optimisation process as well as the technical solutions chosen are discussed and the results of this process are subjected to extensive Monte Carlo physics studies. Read More

2012May
Authors: PANDA Collaboration, W. Erni1, I. Keshelashvili2, B. Krusche3, M. Steinacher4, Y. Heng5, Z. Liu6, H. Liu7, X. Shen8, Q. Wang9, H. Xu10, A. Aab11, M. Albrecht12, J. Becker13, A. Csapó14, F. Feldbauer15, M. Fink16, P. Friedel17, F. H. Heinsius18, T. Held19, L. Klask20, H. Koch21, B. Kopf22, S. Leiber23, M. Leyhe24, C. Motzko25, M. Pelizäus26, J. Pychy27, B. Roth28, T. Schröder29, J. Schulze30, C. Sowa31, M. Steinke32, T. Trifterer33, U. Wiedner34, J. Zhong35, R. Beck36, S. Bianco37, K. T. Brinkmann38, C. Hammann39, F. Hinterberger40, D. Kaiser41, R. Kliemt42, M. Kube43, A. Pitka44, T. Quagli45, C. Schmidt46, R. Schmitz47, R. Schnell48, U. Thoma49, P. Vlasov50, D. Walther51, C. Wendel52, T. Würschig53, H. G. Zaunick54, A. Bianconi55, M. Bragadireanu56, M. Caprini57, D. Pantea58, D. Pantelica59, D. Pietreanu60, L. Serbina61, P. D. Tarta62, D. Kaplan63, T. Fiutowski64, M. Idzik65, B. Mindur66, D. Przyborowski67, K. Swientek68, B. Czech69, M. Kistryn70, S. Kliczewski71, A. Kozela72, P. Kulessa73, P. Lebiedowicz74, K. Pysz75, W. Schäfer76, R. Siudak77, A. Szczurek78, S. Jowzaee79, M. Kajetanowicz80, B. Kamys81, S. Kistryn82, G. Korcyl83, K. Korcyl84, W. Krzemien85, A. Magiera86, P. Moskal87, M. Palka88, Z. Rudy89, P. Salabura90, J. Smyrski91, A. Wrońska92, I. Augustin93, I. Lehmann94, D. Nimorus95, G. Schepers96, M. Al-Turany97, R. Arora98, H. Deppe99, H. Flemming100, A. Gerhardt101, K. Götzen102, A. F. Jordi103, G. Kalicy104, R. Karabowicz105, D. Lehmann106, B. Lewandowski107, J. Lühning108, F. Maas109, H. Orth110, M. Patsyuk111, K. Peters112, T. Saito113, C. J. Schmidt114, L. Schmitt115, C. Schwarz116, J. Schwiening117, M. Traxler118, B. Voss119, P. Wieczorek120, A. Wilms121, M. Zühlsdorf122, V. M. Abazov123, G. Alexeev124, A. Arefiev125, V. I. Astakhov126, M. Yu. Barabanov127, B. V. Batyunya128, Yu. I. Davydov129, V. Kh. Dodokhov130, A. A. Efremov131, A. G. Fedunov132, A. A. Festchenko133, A. S. Galoyan134, S. Grigoryan135, A. Karmokov136, E. K. Koshurnikov137, V. I. Lobanov138, Yu. Yu. Lobanov139, A. F. Makarov140, L. V. Malinina141, V. L. Malyshev142, G. A. Mustafaev143, A. Olshevskiy144, M. A. Pasyuk145, E. A. Perevalova146, A. A. Piskun147, T. A. Pocheptsov148, G. Pontecorvo149, V. K. Rodionov150, Yu. N. Rogov151, R. A. Salmin152, A. G. Samartsev153, M. G. Sapozhnikov154, G. S. Shabratova155, A. N. Skachkova156, N. B. Skachkov157, E. A. Strokovsky158, M. K. Suleimanov159, R. Sh. Teshev160, V. V. Tokmenin161, V. V. Uzhinsky162, A. S. Vodopyanov163, S. A. Zaporozhets164, N. I. Zhuravlev165, A. G. Zorin166, D. Branford167, D. Glazier168, D. Watts169, P. Woods170, A. Britting171, W. Eyrich172, A. Lehmann173, F. Uhlig174, S. Dobbs175, Z. Metreveli176, K. Seth177, A. Tomaradze178, T. Xiao179, D. Bettoni180, V. Carassiti181, A. Cotta Ramusino182, P. Dalpiaz183, A. Drago184, E. Fioravanti185, I. Garzia186, M. Savriè187, G. Stancari188, N. Bianchi189, P. Gianotti190, C. Guaraldo191, V. Lucherini192, D. Orecchini193, E. Pace194, A. Bersani195, G. Bracco196, M. Macri197, R. F. Parodi198, D. Bremer199, V. Dormenev200, P. Drexler201, M. Düren202, T. Eissner203, K. Föhl204, M. Galuska205, T. Gessler206, A. Hayrapetyan207, J. Hu208, P. Koch209, B. Kröck210, W. Kühn211, S. Lange212, Y. Liang213, O. Merle214, V. Metag215, M. Moritz216, D. Münchow217, M. Nanova218, R. Novotny219, B. Spruck220, H. Stenzel221, T. Ullrich222, M. Werner223, H. Xu224, C. Euan225, M. Hoek226, D. Ireland227, T. Keri228, R. Montgomery229, D. Protopopescu230, G. Rosner231, B. Seitz232, M. Babai233, A. Glazenborg-Kluttig234, M. Kavatsyuk235, P. Lemmens236, M. Lindemulder237, H. Löhner238, J. Messchendorp239, H. Moeini240, P. Schakel241, F. Schreuder242, H. Smit243, G. Tambave244, J. C. van der Weele245, R. Veenstra246, H. Sohlbach247, M. Büscher248, D. Deermann249, R. Dosdall250, S. Esch251, A. Gillitzer252, F. Goldenbaum253, D. Grunwald254, S. Henssler255, A. Herten256, Q. Hu257, G. Kemmerling258, H. Kleines259, V. Kozlov260, A. Lehrach261, R. Maier262, M. Mertens263, H. Ohm264, S. Orfanitski265, D. Prasuhn266, T. Randriamalala267, J. Ritman268, S. Schadmand269, V. Serdyuk270, G. Sterzenbach271, T. Stockmanns272, P. Wintz273, P. Wüstner274, H. Xu275, J. Kisiel276, S. Li277, Z. Li278, Z. Sun279, H. Xu280, V. Rigato281, S. Fissum282, K. Hansen283, L. Isaksson284, M. Lundin285, B. Schröder286, P. Achenbach287, S. Bleser288, U. Cahit289, M. Cardinali290, A. Denig291, M. Distler292, M. Fritsch293, D. Kangh294, A. Karavdina295, W. Lauth296, H. Merkel297, M. Michel298, M. C. Mora Espi299, U. Müller300, J. Pochodzalla301, J. Prometeusz302, S. Sanchez303, A. Sanchez-Lorente304, S. Schlimme305, C. Sfienti306, M. Thiel307, T. Weber308, V. I. Dormenev309, A. A. Fedorov310, M. V. Korzhik311, O. V. Missevitch312, V. Balanutsa313, V. Chernetsky314, A. Demekhin315, A. Dolgolenko316, P. Fedorets317, A. Gerasimov318, V. Goryachev319, V. Varentsov320, A. Boukharov321, O. Malyshev322, I. Marishev323, A. Semenov324, F. Böhmer325, S. Dørheim326, B. Ketzer327, S. Paul328, A. K. Hergemöller329, A. Khoukaz330, E. Köhler331, A. Täschner332, J. Wessels333, R. Varma334, A. Chaterjee335, V. Jha336, S. Kailas337, B. Roy338, Y. Yan339, K. Chinorat340, K. Khanchai341, L. Ayut342, S. Pomrad343, E. Baldin344, K. Kotov345, S. Peleganchuk346, Yu. Tikhonov347, J. Boucher348, V. Chambert349, A. Dbeyssi350, T. Hennino351, M. Imre352, R. Kunne353, C. Le Galliard354, B. Ma355, D. Marchand356, A. Maroni357, S. Ong358, B. Ramstein359, P. Rosier360, M. Sudol361, E. Tomasi-Gustafsson362, J. Van de Wiele363, G. Boca364, A. Braghieri365, S. Costanza366, P. Genova367, L. Lavezzi368, P. Montagna369, A. Rotondi370, V. Abramov371, N. Belikov372, A. Davidenko373, A. Derevschikov374, Y. Goncharenko375, V. Grishin376, V. Kachanov377, D. Konstantinov378, V. Kormilitsin379, Y. Melnik380, A. Levin381, N. Minaev382, V. Mochalov383, D. Morozov384, L. Nogach385, S. Poslavskiy386, A. Ryazantsev387, S. Ryzhikov388, P. Semenov389, I. Shein390, A. Uzunian391, A. Vasiliev392, A. Yakutin393, T. Bäck394, B. Cederwall395, K. Makónyi396, P. E. Tegnér397, K. M. von Würtemberg398, S. Belostotski399, G. Gavrilov400, A. Itzotov401, A. Kashchuk402, A. Kisselev403, P. Kravchenko404, O. Levitskaya405, S. Manaenkov406, O. Miklukho407, Y. Naryshkin408, D. Veretennikov409, V. Vikhrov410, A. Zhadanov411, D. Alberto412, A. Amoroso413, M. P. Bussa414, L. Busso415, F. De Mori416, M. Destefanis417, L. Fava418, L. Ferrero419, M. Greco420, M. Maggiora421, S. Marcello422, S. Sosio423, S. Spataro424, L. Zotti425, D. Calvo426, S. Coli427, P. De Remigis428, A. Filippi429, G. Giraudo430, S. Lusso431, G. Mazza432, O. Morra433, A. Rivetti434, R. Wheadon435, F. Iazzi436, A. Lavagno437, H. Younis438, R. Birsa439, F. Bradamante440, A. Bressan441, A. Martin442, H. Clement443, B. Galander444, L. Caldeira Balkeståhl445, H. Calén446, K. Fransson447, T. Johansson448, A. Kupsc449, P. Marciniewski450, E. Thomé451, M. Wolke452, J. Zlomanczuk453, J. Díaz454, A. Ortiz455, K. Dmowski456, P. Duda457, R. Korzeniewski458, B. Slowinski459, A. Chlopik460, Z. Guzik461, K. Kosinski462, D. Melnychuk463, A. Wasilewski464, M. Wojciechowski465, S. Wronka466, A. Wysocka467, B. Zwieglinski468, P. Bühler469, O. Hartman470, P. Kienle471, J. Marton472, K. Suzuki473, E. Widmann474, J. Zmeskal475
Affiliations: 1Universität Basel Switzerland, 2Universität Basel Switzerland, 3Universität Basel Switzerland, 4Universität Basel Switzerland, 5Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 6Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 7Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 8Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 9Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 10Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 11Universität Bochum I. Institut für Experimentalphysik, Germany, 12Universität Bochum I. Institut für Experimentalphysik, Germany, 13Universität Bochum I. Institut für Experimentalphysik, Germany, 14Universität Bochum I. Institut für Experimentalphysik, Germany, 15Universität Bochum I. Institut für Experimentalphysik, Germany, 16Universität Bochum I. Institut für Experimentalphysik, Germany, 17Universität Bochum I. Institut für Experimentalphysik, Germany, 18Universität Bochum I. Institut für Experimentalphysik, Germany, 19Universität Bochum I. Institut für Experimentalphysik, Germany, 20Universität Bochum I. Institut für Experimentalphysik, Germany, 21Universität Bochum I. Institut für Experimentalphysik, Germany, 22Universität Bochum I. Institut für Experimentalphysik, Germany, 23Universität Bochum I. Institut für Experimentalphysik, Germany, 24Universität Bochum I. Institut für Experimentalphysik, Germany, 25Universität Bochum I. Institut für Experimentalphysik, Germany, 26Universität Bochum I. Institut für Experimentalphysik, Germany, 27Universität Bochum I. Institut für Experimentalphysik, Germany, 28Universität Bochum I. Institut für Experimentalphysik, Germany, 29Universität Bochum I. Institut für Experimentalphysik, Germany, 30Universität Bochum I. Institut für Experimentalphysik, Germany, 31Universität Bochum I. Institut für Experimentalphysik, Germany, 32Universität Bochum I. Institut für Experimentalphysik, Germany, 33Universität Bochum I. Institut für Experimentalphysik, Germany, 34Universität Bochum I. Institut für Experimentalphysik, Germany, 35Universität Bochum I. Institut für Experimentalphysik, Germany, 36Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 37Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 38Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 39Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 40Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 41Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 42Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 43Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 44Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 45Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 46Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 47Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 48Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 49Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 50Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 51Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 52Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 53Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 54Rheinische Friedrich-Wilhelms-Universität Bonn Germany, 55Università, di Brescia Italy, 56Institutul National de C&D pentru Fizica si Inginerie Nucleara "Horia Hulubei", Bukarest-Magurele Romania, 57Institutul National de C&D pentru Fizica si Inginerie Nucleara "Horia Hulubei", Bukarest-Magurele Romania, 58Institutul National de C&D pentru Fizica si Inginerie Nucleara "Horia Hulubei", Bukarest-Magurele Romania, 59Institutul National de C&D pentru Fizica si Inginerie Nucleara "Horia Hulubei", Bukarest-Magurele Romania, 60Institutul National de C&D pentru Fizica si Inginerie Nucleara "Horia Hulubei", Bukarest-Magurele Romania, 61Institutul National de C&D pentru Fizica si Inginerie Nucleara "Horia Hulubei", Bukarest-Magurele Romania, 62Institutul National de C&D pentru Fizica si Inginerie Nucleara "Horia Hulubei", Bukarest-Magurele Romania, 63IIT, Illinois Institute of Technology, Chicago U.S.A, 64AGH, University of Science and Technology, Cracow Poland, 65AGH, University of Science and Technology, Cracow Poland, 66AGH, University of Science and Technology, Cracow Poland, 67AGH, University of Science and Technology, Cracow Poland, 68AGH, University of Science and Technology, Cracow Poland, 69IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 70IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 71IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 72IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 73IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 74IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 75IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 76IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 77IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 78IFJ, Institute of Nuclear Physics PAN, Cracow Poland, 79Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 80Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 81Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 82Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 83Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 84Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 85Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 86Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 87Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 88Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 89Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 90Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 91Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 92Instytut Fizyki, Uniwersytet Jagiellonski, Cracow Poland, 93FAIR - Facility for Antiproton and Ion Research in Europe, Darmstadt, Germany, 94FAIR - Facility for Antiproton and Ion Research in Europe, Darmstadt, Germany, 95FAIR - Facility for Antiproton and Ion Research in Europe, Darmstadt, Germany, 96FAIR - Facility for Antiproton and Ion Research in Europe, Darmstadt, Germany, 97Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 98Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 99Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 100Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 101Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 102Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 103Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 104Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 105Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 106Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 107Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 108Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 109Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 110Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 111Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 112Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 113Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 114Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 115Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 116Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 117Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 118Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 119Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 120Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 121Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 122Gesellschaft für Schwerionenforschung GmbH, Darmstadt Germany, 123Veksler-Baldin Laboratory of High Energies, 124Veksler-Baldin Laboratory of High Energies, 125Veksler-Baldin Laboratory of High Energies, 126Veksler-Baldin Laboratory of High Energies, 127Veksler-Baldin Laboratory of High Energies, 128Veksler-Baldin Laboratory of High Energies, 129Veksler-Baldin Laboratory of High Energies, 130Veksler-Baldin Laboratory of High Energies, 131Veksler-Baldin Laboratory of High Energies, 132Veksler-Baldin Laboratory of High Energies, 133Veksler-Baldin Laboratory of High Energies, 134Veksler-Baldin Laboratory of High Energies, 135Veksler-Baldin Laboratory of High Energies, 136Veksler-Baldin Laboratory of High Energies, 137Veksler-Baldin Laboratory of High Energies, 138Veksler-Baldin Laboratory of High Energies, 139Veksler-Baldin Laboratory of High Energies, 140Veksler-Baldin Laboratory of High Energies, 141Veksler-Baldin Laboratory of High Energies, 142Veksler-Baldin Laboratory of High Energies, 143Veksler-Baldin Laboratory of High Energies, 144Veksler-Baldin Laboratory of High Energies, 145Veksler-Baldin Laboratory of High Energies, 146Veksler-Baldin Laboratory of High Energies, 147Veksler-Baldin Laboratory of High Energies, 148Veksler-Baldin Laboratory of High Energies, 149Veksler-Baldin Laboratory of High Energies, 150Veksler-Baldin Laboratory of High Energies, 151Veksler-Baldin Laboratory of High Energies, 152Veksler-Baldin Laboratory of High Energies, 153Veksler-Baldin Laboratory of High Energies, 154Veksler-Baldin Laboratory of High Energies, 155Veksler-Baldin Laboratory of High Energies, 156Veksler-Baldin Laboratory of High Energies, 157Veksler-Baldin Laboratory of High Energies, 158Veksler-Baldin Laboratory of High Energies, 159Veksler-Baldin Laboratory of High Energies, 160Veksler-Baldin Laboratory of High Energies, 161Veksler-Baldin Laboratory of High Energies, 162Veksler-Baldin Laboratory of High Energies, 163Veksler-Baldin Laboratory of High Energies, 164Veksler-Baldin Laboratory of High Energies, 165Veksler-Baldin Laboratory of High Energies, 166Veksler-Baldin Laboratory of High Energies, 167University of Edinburgh United Kingdom, 168University of Edinburgh United Kingdom, 169University of Edinburgh United Kingdom, 170University of Edinburgh United Kingdom, 171Friedrich Alexander Universität Erlangen-Nürnberg Germany, 172Friedrich Alexander Universität Erlangen-Nürnberg Germany, 173Friedrich Alexander Universität Erlangen-Nürnberg Germany, 174Friedrich Alexander Universität Erlangen-Nürnberg Germany, 175Northwestern University, Evanston U.S.A, 176Northwestern University, Evanston U.S.A, 177Northwestern University, Evanston U.S.A, 178Northwestern University, Evanston U.S.A, 179Northwestern University, Evanston U.S.A, 180Università, di Ferrara and INFN Sezione di Ferrara, Ferrara Italy, 181Università, di Ferrara and INFN Sezione di Ferrara, Ferrara Italy, 182Università, di Ferrara and INFN Sezione di Ferrara, Ferrara Italy, 183Università, di Ferrara and INFN Sezione di Ferrara, Ferrara Italy, 184Università, di Ferrara and INFN Sezione di Ferrara, Ferrara Italy, 185Università, di Ferrara and INFN Sezione di Ferrara, Ferrara Italy, 186Università, di Ferrara and INFN Sezione di Ferrara, Ferrara Italy, 187Università, di Ferrara and INFN Sezione di Ferrara, Ferrara Italy, 188Università, di Ferrara and INFN Sezione di Ferrara, Ferrara Italy, 189INFN Laboratori Nazionali di Frascati Italy, 190INFN Laboratori Nazionali di Frascati Italy, 191INFN Laboratori Nazionali di Frascati Italy, 192INFN Laboratori Nazionali di Frascati Italy, 193INFN Laboratori Nazionali di Frascati Italy, 194INFN Laboratori Nazionali di Frascati Italy, 195INFN Sezione di Genova Italy, 196INFN Sezione di Genova Italy, 197INFN Sezione di Genova Italy, 198INFN Sezione di Genova Italy, 199Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 200Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 201Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 202Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 203Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 204Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 205Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 206Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 207Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 208Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 209Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 210Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 211Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 212Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 213Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 214Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 215Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 216Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 217Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 218Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 219Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 220Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 221Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 222Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 223Justus Liebig-Universität Gießen II Physikalisches Institut, Germany, 224Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 225University of Glasgow United Kingdom, 226University of Glasgow United Kingdom, 227University of Glasgow United Kingdom, 228University of Glasgow United Kingdom, 229University of Glasgow United Kingdom, 230University of Glasgow United Kingdom, 231University of Glasgow United Kingdom, 232University of Glasgow United Kingdom, 233Kernfysisch Versneller Instituut, University of Groningen Netherlands, 234Kernfysisch Versneller Instituut, University of Groningen Netherlands, 235Kernfysisch Versneller Instituut, University of Groningen Netherlands, 236Kernfysisch Versneller Instituut, University of Groningen Netherlands, 237Kernfysisch Versneller Instituut, University of Groningen Netherlands, 238Kernfysisch Versneller Instituut, University of Groningen Netherlands, 239Kernfysisch Versneller Instituut, University of Groningen Netherlands, 240Kernfysisch Versneller Instituut, University of Groningen Netherlands, 241Kernfysisch Versneller Instituut, University of Groningen Netherlands, 242Kernfysisch Versneller Instituut, University of Groningen Netherlands, 243Kernfysisch Versneller Instituut, University of Groningen Netherlands, 244Kernfysisch Versneller Instituut, University of Groningen Netherlands, 245Kernfysisch Versneller Instituut, University of Groningen Netherlands, 246Kernfysisch Versneller Instituut, University of Groningen Netherlands, 247Fachhochschule Südwestfalen Iserlohn Germany, 248Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 249Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 250Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 251Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 252Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 253Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 254Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 255Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 256Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 257Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 258Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 259Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 260Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 261Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 262Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 263Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 264Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 265Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 266Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 267Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 268Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 269Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 270Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 271Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 272Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 273Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 274Forschungszentrum Jülich, Institut für Kernphysik, Jülich Germany, 275Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 276University of Silesia, Katowice Poland, 277Chinese Academy of Science, Institute of Modern Physics, Lanzhou China, 278Chinese Academy of Science, Institute of Modern Physics, Lanzhou China, 279Chinese Academy of Science, Institute of Modern Physics, Lanzhou China, 280Institute of High Energy Physics, Chinese Academy of Sciences, Beijing China, 281INFN Laboratori Nazionali di Legnaro Italy, 282Lunds Universitet, Department of Physics, Lund Sweden, 283Lunds Universitet, Department of Physics, Lund Sweden, 284Lunds Universitet, Department of Physics, Lund Sweden, 285Lunds Universitet, Department of Physics, Lund Sweden, 286Lunds Universitet, Department of Physics, Lund Sweden, 287Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 288Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 289Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 290Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 291Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 292Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 293Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 294Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 295Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 296Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 297Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 298Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 299Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 300Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 301Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 302Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 303Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 304Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 305Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 306Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 307Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 308Johannes Gutenberg-Universität, Institut für Kernphysik, Mainz Germany, 309Research Institute for Nuclear Problems, Belarus State University, Minsk Belarus, 310Research Institute for Nuclear Problems, Belarus State University, Minsk Belarus, 311Research Institute for Nuclear Problems, Belarus State University, Minsk Belarus, 312Research Institute for Nuclear Problems, Belarus State University, Minsk Belarus, 313Institute for Theoretical and Experimental Physics, Moscow Russia, 314Institute for Theoretical and Experimental Physics, Moscow Russia, 315Institute for Theoretical and Experimental Physics, Moscow Russia, 316Institute for Theoretical and Experimental Physics, Moscow Russia, 317Institute for Theoretical and Experimental Physics, Moscow Russia, 318Institute for Theoretical and Experimental Physics, Moscow Russia, 319Institute for Theoretical and Experimental Physics, Moscow Russia, 320Institute for Theoretical and Experimental Physics, Moscow Russia, 321Moscow Power Engineering Institute, Moscow Russia, 322Moscow Power Engineering Institute, Moscow Russia, 323Moscow Power Engineering Institute, Moscow Russia, 324Moscow Power Engineering Institute, Moscow Russia, 325Technische Universität München Germany, 326Technische Universität München Germany, 327Technische Universität München Germany, 328Technische Universität München Germany, 329Westfälische Wilhelms-Universität Münster Germany, 330Westfälische Wilhelms-Universität Münster Germany, 331Westfälische Wilhelms-Universität Münster Germany, 332Westfälische Wilhelms-Universität Münster Germany, 333Westfälische Wilhelms-Universität Münster Germany, 334IIT Bombay, Department of Physics, Mumbai India, 335Bhabha Atomic Research Center, Mumbai India, 336Bhabha Atomic Research Center, Mumbai India, 337Bhabha Atomic Research Center, Mumbai India, 338Bhabha Atomic Research Center, Mumbai India, 339Suranaree University of Technology, Nakhon Ratchasima Thailand, 340Suranaree University of Technology, Nakhon Ratchasima Thailand, 341Suranaree University of Technology, Nakhon Ratchasima Thailand, 342Suranaree University of Technology, Nakhon Ratchasima Thailand, 343Suranaree University of Technology, Nakhon Ratchasima Thailand, 344Budker Institute of Nuclear Physics of Russian Academy of Science, Novosibirsk Russia, 345Budker Institute of Nuclear Physics of Russian Academy of Science, Novosibirsk Russia, 346Budker Institute of Nuclear Physics of Russian Academy of Science, Novosibirsk Russia, 347Budker Institute of Nuclear Physics of Russian Academy of Science, Novosibirsk Russia, 348Institut de Physique Nucléaire, Orsay France, 349Institut de Physique Nucléaire, Orsay France, 350Institut de Physique Nucléaire, Orsay France, 351Institut de Physique Nucléaire, Orsay France, 352Institut de Physique Nucléaire, Orsay France, 353Institut de Physique Nucléaire, Orsay France, 354Institut de Physique Nucléaire, Orsay France, 355Institut de Physique Nucléaire, Orsay France, 356Institut de Physique Nucléaire, Orsay France, 357Institut de Physique Nucléaire, Orsay France, 358Institut de Physique Nucléaire, Orsay France, 359Institut de Physique Nucléaire, Orsay France, 360Institut de Physique Nucléaire, Orsay France, 361Institut de Physique Nucléaire, Orsay France, 362Institut de Physique Nucléaire, Orsay France, 363Institut de Physique Nucléaire, Orsay France, 364Dipartimento di Fisica Nucleare e Teorica, Università, di Pavia, INFN Sezione di Pavia, Pavia Italy, 365Dipartimento di Fisica Nucleare e Teorica, Università, di Pavia, INFN Sezione di Pavia, Pavia Italy, 366Dipartimento di Fisica Nucleare e Teorica, Università, di Pavia, INFN Sezione di Pavia, Pavia Italy, 367Dipartimento di Fisica Nucleare e Teorica, Università, di Pavia, INFN Sezione di Pavia, Pavia Italy, 368Dipartimento di Fisica Nucleare e Teorica, Università, di Pavia, INFN Sezione di Pavia, Pavia Italy, 369Dipartimento di Fisica Nucleare e Teorica, Università, di Pavia, INFN Sezione di Pavia, Pavia Italy, 370Dipartimento di Fisica Nucleare e Teorica, Università, di Pavia, INFN Sezione di Pavia, Pavia Italy, 371Institute for High Energy Physics, Protvino Russia, 372Institute for High Energy Physics, Protvino Russia, 373Institute for High Energy Physics, Protvino Russia, 374Institute for High Energy Physics, Protvino Russia, 375Institute for High Energy Physics, Protvino Russia, 376Institute for High Energy Physics, Protvino Russia, 377Institute for High Energy Physics, Protvino Russia, 378Institute for High Energy Physics, Protvino Russia, 379Institute for High Energy Physics, Protvino Russia, 380Institute for High Energy Physics, Protvino Russia, 381Institute for High Energy Physics, Protvino Russia, 382Institute for High Energy Physics, Protvino Russia, 383Institute for High Energy Physics, Protvino Russia, 384Institute for High Energy Physics, Protvino Russia, 385Institute for High Energy Physics, Protvino Russia, 386Institute for High Energy Physics, Protvino Russia, 387Institute for High Energy Physics, Protvino Russia, 388Institute for High Energy Physics, Protvino Russia, 389Institute for High Energy Physics, Protvino Russia, 390Institute for High Energy Physics, Protvino Russia, 391Institute for High Energy Physics, Protvino Russia, 392Institute for High Energy Physics, Protvino Russia, 393Institute for High Energy Physics, Protvino Russia, 394Kungliga Tekniska Högskolan, Stockholm Sweden, 395Kungliga Tekniska Högskolan, Stockholm Sweden, 396Stockholms Universitet, Stockholm Sweden, 397Stockholms Universitet, Stockholm Sweden, 398Stockholms Universitet, Stockholm Sweden, 399Petersburg Nuclear Physics Institute of Russian Academy of Science, Gatchina, St. Petersburg Russia, 400Petersburg Nuclear Physics Institute of Russian Academy of Science, Gatchina, St. Petersburg Russia, 401Petersburg Nuclear Physics Institute of Russian Academy of Science, Gatchina, St. Petersburg Russia, 402Petersburg Nuclear Physics Institute of Russian Academy of Science, Gatchina, St. Petersburg Russia, 403Petersburg Nuclear Physics Institute of Russian Academy of Science, Gatchina, St. Petersburg Russia, 404Petersburg Nuclear Physics Institute of Russian Academy of Science, Gatchina, St. Petersburg Russia, 405Petersburg Nuclear Physics Institute of Russian Academy of Science, Gatchina, St. Petersburg Russia, 406Petersburg Nuclear Physics Institute of Russian Academy of Science, Gatchina, St. Petersburg Russia, 407Petersburg Nuclear Physics Institute of Russian Academy of Science, Gatchina, St. Petersburg Russia, 408Petersburg Nuclear Physics Institute of Russian Academy of Science, Gatchina, St. Petersburg Russia, 409Petersburg Nuclear Physics Institute of Russian Academy of Science, Gatchina, St. Petersburg Russia, 410Petersburg Nuclear Physics Institute of Russian Academy of Science, Gatchina, St. Petersburg Russia, 411Stockholms Universitet, Stockholm Sweden, 412Università, di Torino and INFN Sezione di Torino, Torino Italy, 413Università, di Torino and INFN Sezione di Torino, Torino Italy, 414Università, di Torino and INFN Sezione di Torino, Torino Italy, 415Università, di Torino and INFN Sezione di Torino, Torino Italy, 416Università, di Torino and INFN Sezione di Torino, Torino Italy, 417Università, di Torino and INFN Sezione di Torino, Torino Italy, 418Università, di Torino and INFN Sezione di Torino, Torino Italy, 419Università, di Torino and INFN Sezione di Torino, Torino Italy, 420Università, di Torino and INFN Sezione di Torino, Torino Italy, 421Università, di Torino and INFN Sezione di Torino, Torino Italy, 422Università, di Torino and INFN Sezione di Torino, Torino Italy, 423Università, di Torino and INFN Sezione di Torino, Torino Italy, 424Università, di Torino and INFN Sezione di Torino, Torino Italy, 425Università, di Torino and INFN Sezione di Torino, Torino Italy, 426INFN Sezione di Torino, Torino Italy, 427INFN Sezione di Torino, Torino Italy, 428INFN Sezione di Torino, Torino Italy, 429INFN Sezione di Torino, Torino Italy, 430INFN Sezione di Torino, Torino Italy, 431INFN Sezione di Torino, Torino Italy, 432INFN Sezione di Torino, Torino Italy, 433INFN Sezione di Torino, Torino Italy, 434INFN Sezione di Torino, Torino Italy, 435INFN Sezione di Torino, Torino Italy, 436Politecnico di Torino and INFN Sezione di Torino, Torino Italy, 437Politecnico di Torino and INFN Sezione di Torino, Torino Italy, 438Politecnico di Torino and INFN Sezione di Torino, Torino Italy, 439Università, di Trieste and INFN Sezione di Trieste, Trieste Italy, 440Università, di Trieste and INFN Sezione di Trieste, Trieste Italy, 441Università, di Trieste and INFN Sezione di Trieste, Trieste Italy, 442Università, di Trieste and INFN Sezione di Trieste, Trieste Italy, 443Universität Tübingen, Tübingen Germany, 444The Svedberg Laboratory, Uppsala Sweden, 445Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 446Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 447Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 448Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 449Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 450Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 451Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 452Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 453Uppsala Universitet, Institutionen för Strålningsvetenskap, Uppsala Sweden, 454Universitat de Valencia Dpto. de Física Atómica, Molecular y Nuclear, Spain, 455Universitat de Valencia Dpto. de Física Atómica, Molecular y Nuclear, Spain, 456University of Technology, Institute of Atomic Energy Otwock-Swierk, Warsaw Poland, 457University of Technology, Institute of Atomic Energy Otwock-Swierk, Warsaw Poland, 458University of Technology, Institute of Atomic Energy Otwock-Swierk, Warsaw Poland, 459University of Technology, Institute of Atomic Energy Otwock-Swierk, Warsaw Poland, 460National Centre for Nuclear Research, Warsaw Poland, 461National Centre for Nuclear Research, Warsaw Poland, 462National Centre for Nuclear Research, Warsaw Poland, 463National Centre for Nuclear Research, Warsaw Poland, 464National Centre for Nuclear Research, Warsaw Poland, 465National Centre for Nuclear Research, Warsaw Poland, 466National Centre for Nuclear Research, Warsaw Poland, 467National Centre for Nuclear Research, Warsaw Poland, 468National Centre for Nuclear Research, Warsaw Poland, 469Österreichische Akademie der Wissenschaften, Stefan Meyer Institut für Subatomare Physik, Wien Austria, 470Österreichische Akademie der Wissenschaften, Stefan Meyer Institut für Subatomare Physik, Wien Austria, 471Österreichische Akademie der Wissenschaften, Stefan Meyer Institut für Subatomare Physik, Wien Austria, 472Österreichische Akademie der Wissenschaften, Stefan Meyer Institut für Subatomare Physik, Wien Austria, 473Österreichische Akademie der Wissenschaften, Stefan Meyer Institut für Subatomare Physik, Wien Austria, 474Österreichische Akademie der Wissenschaften, Stefan Meyer Institut für Subatomare Physik, Wien Austria, 475Österreichische Akademie der Wissenschaften, Stefan Meyer Institut für Subatomare Physik, Wien Austria

This document describes the technical layout and the expected performance of the Straw Tube Tracker (STT), the main tracking detector of the PANDA target spectrometer. The STT encloses a Micro-Vertex-Detector (MVD) for the inner tracking and is followed in beam direction by a set of GEM-stations. The tasks of the STT are the measurement of the particle momentum from the reconstructed trajectory and the measurement of the specific energy-loss for a particle identification. Read More

Disorder increasingly affects performance as electronic devices are reduced in size. The ionized dopants used to populate a device with electrons are particularly problematic, leading to unpredictable changes in the behavior of devices such as quantum dots each time they are cooled for use. We show that a quantum dot can be used as a highly sensitive probe of changes in disorder potential, and that by removing the ionized dopants and populating the dot electrostatically, its electronic properties become reproducible with high fidelity after thermal cycling to room temperature. Read More

We carry out a sequence of coordinate changes for the planar three-body problem which successively eliminate the translation and rotation symmetries, regularize all three double collision singularities and blow-up the triple collision. Parametrizing the configurations by the three relative position vectors maintains the symmetry among the masses and simplifies the regularization of binary collisions. Using size and shape coordinates facilitates the reduction by rotations and the blow-up of triple collision while emphasizing the role of the shape sphere. Read More

2011Sep

In the planar three-body problem, we study solutions with zero initial velocity (brake orbits). Following such a solution until the three masses become collinear (syzygy), we obtain a continuous, flow-induced Poincar\'e map. We study the image of the map in the set of collinear configurations and define a continuous extension to the Lagrange triple collision orbit. Read More

2011Jun
Affiliations: 1Department of Physics, University of Oregon, Eugene, OR, USA, 2Department of Physics, University of Oregon, Eugene, OR, USA, 3School of Physics, University of New South Wales, Sydney, NSW, Australia, 4Department of Physics, University of Oregon, Eugene, OR, USA, 5Department of Physics, University of Oregon, Eugene, OR, USA, 6Department of Physics, University of Oregon, Eugene, OR, USA, 7Department of Physics, University of Oregon, Eugene, OR, USA, 8Division of Solid State Physics and Nanometer Structure Consortium, Lund University, Lund, Sweden, 9Department of Physics, Cavendish Laboratory, Cambridge, UK, 10Department of Physics, Cavendish Laboratory, Cambridge, UK, 11School of Physics, University of New South Wales, Sydney, NSW, Australia, 12School of Physics, University of New South Wales, Sydney, NSW, Australia, 13School of Physics and Astronomy, University of Nottingham, Nottingham, UK, 14Department of Physics, University of Oregon, Eugene, OR, USA

The study of electron motion in semiconductor billiards has elucidated our understanding of quantum interference and quantum chaos. The central assumption is that ionized donors generate only minor perturbations to the electron trajectories, which are determined by scattering from billiard walls. We use magnetoconductance fluctuations as a probe of the quantum interference and show that these fluctuations change radically when the scattering landscape is modified by thermally-induced charge displacement between donor sites. Read More

We describe the design and elements of implementation of the Akamai Maui Short Course (AMSC). The AMSC contains four full inquiry activities each of which builds on those previous: Camera Obscura and Sun Shadows, Lenses and Refraction, Color and Light, and the Adaptive Optics Demonstrator. In addition we describe the workings of two additional strands: 1) Communication, and 2) Science, Technology and Society. Read More