M. Garcon - The CLAS Collaboration

M. Garcon
Are you M. Garcon?

Claim your profile, edit publications, add additional information:

Contact Details

Name
M. Garcon
Affiliation
The CLAS Collaboration
Location

Pubs By Year

External Links

Pub Categories

 
Nuclear Experiment (16)
 
High Energy Physics - Experiment (10)
 
High Energy Physics - Phenomenology (3)
 
Nuclear Theory (2)
 
Physics - Instrumentation and Detectors (2)

Publications Authored By M. Garcon

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

2016Apr
Authors: P. E. Bosted1, A. S. Biselli2, S. Careccia3, G. Dodge4, R. Fersch5, S. E. Kuhn6, J. Pierce7, Y. Prok8, X. Zheng9, K. P. Adhikari10, D. Adikaram11, Z. Akbar12, M. J. Amaryan13, S. Anefalos Pereira14, G. Asryan15, H. Avakian16, R. A. Badui17, J. Ball18, N. A. Baltzell19, M. Battaglieri20, V. Batourine21, I. Bedlinskiy22, S. Boiarinov23, W. J. Briscoe24, S. Bültmann25, V. D. Burkert26, T. Cao27, D. S. Carman28, A. Celentano29, S. Chandavar30, G. Charles31, T. Chetry32, G. Ciullo33, L. Clark34, L. Colaneri35, P. L. Cole36, M. Contalbrigo37, O. Cortes38, V. Crede39, A. D'Angelo40, N. Dashyan41, R. De Vita42, A. Deur43, C. Djalali44, R. Dupre45, H. Egiyan46, A. El Alaoui47, L. El Fassi48, P. Eugenio49, E. Fanchini50, G. Fedotov51, A. Filippi52, J. A. Fleming53, T. A. Forest54, A. Fradi55, M. Garçon56, N. Gevorgyan57, Y. Ghandilyan58, G. P. Gilfoyle59, K. L. Giovanetti60, F. X. Girod61, C. Gleason62, W. Gohn63, E. Golovatch64, R. W. Gothe65, K. A. Griffioen66, N. Guler67, L. Guo68, K. Hafidi69, C. Hanretty70, N. Harrison71, M. Hattawy72, D. Heddle73, K. Hicks74, 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, D. Keller86, M. Khandaker87, W. Kim88, A. Klein89, F. J. Klein90, V. Kubarovsky91, S. V. Kuleshov92, L. Lanza93, P. Lenisa94, K. Livingston95, H. Y. Lu96, I . J . D. MacGregor97, N. Markov98, M. E. McCracken99, B. McKinnon100, C. A. Meyer101, R. Minehart102, M. Mirazita103, V. Mokeev104, A Movsisyan105, E. Munevar106, C. Munoz Camacho107, P. Nadel-Turonski108, L. A. Net109, A. Ni110, S. Niccolai111, G. Niculescu112, I. Niculescu113, M. Osipenko114, A. I. Ostrovidov115, R. Paremuzyan116, K. Park117, E. Pasyuk118, P. Peng119, W. Phelps120, S. Pisano121, O. Pogorelko122, J. W. Price123, S. Procureur124, D. Protopopescu125, A. J. R. Puckett126, B. A. Raue127, M. Ripani128, A. Rizzo129, G. Rosner130, P. Rossi131, P. Roy132, F. Sabatié133, C. Salgado134, R. A. Schumacher135, E. Seder136, Y. G. Sharabian137, A. Simonyan138, Iu. Skorodumina139, G. D. Smith140, N. Sparveris141, Ivana Stankovic142, S. Stepanyan143, I. I. Strakovsky144, S. Strauch145, V. Sytnik146, M. Taiuti147, Ye Tian148, B. Torayev149, M. Ungaro150, H. Voskanyan151, E. Voutier152, N. K. Walford153, D. P. Watts154, X. Wei155, L. B. Weinstein156, M. H. Wood157, N. Zachariou158, L. Zana159, J. Zhang160, Z. W. Zhao161, I. Zonta162
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, 119CLAS Collaboration, 120CLAS Collaboration, 121CLAS Collaboration, 122CLAS Collaboration, 123CLAS Collaboration, 124CLAS Collaboration, 125CLAS Collaboration, 126CLAS Collaboration, 127CLAS Collaboration, 128CLAS Collaboration, 129CLAS Collaboration, 130CLAS Collaboration, 131CLAS Collaboration, 132CLAS Collaboration, 133CLAS Collaboration, 134CLAS Collaboration, 135CLAS Collaboration, 136CLAS Collaboration, 137CLAS Collaboration, 138CLAS Collaboration, 139CLAS Collaboration, 140CLAS Collaboration, 141CLAS Collaboration, 142CLAS Collaboration, 143CLAS Collaboration, 144CLAS Collaboration, 145CLAS Collaboration, 146CLAS Collaboration, 147CLAS Collaboration, 148CLAS Collaboration, 149CLAS Collaboration, 150CLAS Collaboration, 151CLAS Collaboration, 152CLAS Collaboration, 153CLAS Collaboration, 154CLAS Collaboration, 155CLAS Collaboration, 156CLAS Collaboration, 157CLAS Collaboration, 158CLAS Collaboration, 159CLAS Collaboration, 160CLAS Collaboration, 161CLAS Collaboration, 162CLAS Collaboration

Beam-target double spin asymmetries and target single-spin asymmetries in exclusive $\pi^+$ and $\pi^-$ electroproduction were obtained from scattering of 1.6 to 5.7 GeV longitudinally polarized electrons from longitudinally polarized protons (for $\pi^+$) and deuterons (for $\pi^-$) using the CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Lab. Read More

2015Nov
Authors: A. Kim, H. Avakian, V. Burkert, K. Joo, W. Kim, K. P. Adhikari, Z. Akbar, S. Anefalos Pereira, R. A. Badui, M. Battaglieri, V. Batourine, I. Bedlinskiy, A. S. Biselli, S. Boiarinov, P. Bosted, W. J. Briscoe, W. K. Brooks, S. Bültmann, T. Cao, D. S. Carman, A. Celentano, S. Chandavar, G. Charles, T. Chetry, L. Colaneri, P. L. Cole, N. Compton, M. Contalbrigo, O. Cortes, V. Crede, A. D'Angelo, N. Dashyan, R. De Vita, E. De Sanctis, C. Djalali, H. Egiyan, A. El Alaoui, L. El Fassi, P. Eugenio, G. Fedotov, R. Fersch, A. Filippi, J. A. Fleming, A. Fradi, M. Garçon, Y. Ghandilyan, G. P. Gilfoyle, K. L. Giovanetti, F. X. Girod, W. Gohn, E. Golovatch, R. W. Gothe, K. A. Griffioen, L. Guo, K. Hafidi, C. Hanretty, M. Hattawy, D. Heddle, K. Hicks, M. Holtrop, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, D. Jenkins, H. Jiang, H. S. Jo, S. Joosten, D. Keller, G. Khachatryan, M. Khandaker, A. Klein, F. J. Klein, V. Kubarovsky, S. E. Kuhn, S. V. Kuleshov, L. Lanza, P. Lenisa, H. Y. Lu, I . J . D. MacGregor, N. Markov, P. Mattione, M. E. McCracken, B. McKinnon, V. Mokeev, A Movsisyan, E. Munevar, P. Nadel-Turonski, L. A. Net, S. Niccolai, M. Osipenko, A. I. Ostrovidov, M. Paolone, K. Park, E. Pasyuk, W. Phelps, S. Pisano, O. Pogorelko, J. W. Price, Y. Prok, M. Ripani, A. Rizzo, G. Rosner, P. Rossi, P. Roy, C. Salgado, R. A. Schumacher, E. Seder, Y. G. Sharabian, Iu. Skorodumina, G. D. Smith, D. Sokhan, N. Sparveris, S. Stepanyan, P. Stoler, I. I. Strakovsky, S. Strauch, V. Sytnik, M. Taiuti, B. Torayev, M. Ungaro, H. Voskanyan, E. Voutier, D. P. Watts, X. Wei, L. B. Weinstein, N. Zachariou, L. Zana, J. Zhang, I. Zonta

The target and double spin asymmetries of the exclusive pseudoscalar channel $\vec e\vec p\to ep\pi^0$ were measured for the first time in the deep-inelastic regime using a longitudinally polarized 5.9 GeV electron beam and a longitudinally polarized proton target at Jefferson Lab with the CEBAF Large Acceptance Spectrometer (CLAS). The data were collected over a large kinematic phase space and divided into 110 four-dimensional bins of $Q^2$, $x_B$, $-t$ and $\phi$. 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

We present final results on the photon electroproduction ($\vec{e}p\rightarrow ep\gamma$) cross section in the deeply virtual Compton scattering (DVCS) regime and the valence quark region from Jefferson Lab experiment E00-110. Results from an analysis of a subset of these data were published before, but the analysis has been improved which is described here at length, together with details on the experimental setup. Furthermore, additional data have been analyzed resulting in photon electroproduction cross sections at new kinematic settings, for a total of 588 experimental bins. Read More

Unpolarized and beam-polarized four-fold cross sections $\frac{d^4 \sigma}{dQ^2 dx_B dt d\phi}$ for the $ep\to e^\prime p^\prime \gamma$ reaction were measured using the CLAS detector and the 5.75-GeV polarized electron beam of the Jefferson Lab accelerator, for 110 ($Q^2,x_B,t$) bins over the widest phase space ever explored in the valence-quark region. Several models of Generalized Parton Distributions (GPDs) describe the data well at most of our kinematics. Read More

We describe the current status of the DarkLight experiment at Jefferson Laboratory. DarkLight is motivated by the possibility that a dark photon in the mass range 10 to 100 MeV/c$^2$ could couple the dark sector to the Standard Model. DarkLight will precisely measure electron proton scattering using the 100 MeV electron beam of intensity 5 mA at the Jefferson Laboratory energy recovering linac incident on a windowless gas target of molecular hydrogen. Read More

2014Nov
Authors: O. Hen, M. Sargsian, L. B. Weinstein, E. Piasetzky, H. Hakobyan, D. W. Higinbotham, M. Braverman, W. K. Brooks, S. Gilad, K. P. Adhikari, J. Arrington, G. Asryan, H. Avakian, J. Ball, N. A. Baltzell, M. Battaglieri, A. Beck, S. May-Tal Beck, I. Bedlinskiy, W. Bertozzi, A. Biselli, V. D. Burkert, T. Cao, D. S. Carman, A. Celentano, S. Chandavar, L. Colaneri, P. L. Cole, V. Crede, A. DAngelo, R. De Vita, A. Deur, C. Djalali, D. Doughty, M. Dugger, R. Dupre, H. Egiyan, A. El Alaoui, L. El Fassi, L. Elouadrhiri, G. Fedotov, S. Fegan, T. Forest, B. Garillon, M. Garcon, N. Gevorgyan, Y. Ghandilyan, G. P. Gilfoyle, F. X. Girod, J. T. Goetz, R. W. Gothe, K. A. Griffioen, M. Guidal, L. Guo, K. Hafidi, C. Hanretty, M. Hattawy, K. Hicks, M. Holtrop, C. E. Hyde, Y. Ilieva, D. G. Ireland, B. I. Ishkanov, E. L. Isupov, H. Jiang, H. S. Jo, K. Joo, D. Keller, M. Khandaker, A. Kim, W. Kim, F. J. Klein, S. Koirala, I. Korover, S. E. Kuhn, V. Kubarovsky, P. Lenisa, W. I. Levine, K. Livingston, M. Lowry, H. Y. Lu, I. J. D. MacGregor, N. Markov, M. Mayer, B. McKinnon, T. Mineeva, V. Mokeev, A. Movsisyan, C. Munoz Camacho, B. Mustapha, P. Nadel-Turonski, S. Niccolai, G. Niculescu, I. Niculescu, M. Osipenko, L. L. Pappalardo, R. Paremuzyan, K. Park, E. Pasyuk, W. Phelps, S. Pisano, O. Pogorelko, J. W. Price, S. Procureur, Y. Prok, D. Protopopescu, A. J. R. Puckett, D. Rimal, M. Ripani, B. G. Ritchie, A. Rizzo, G. Rosner, P. Rossi, P. Roy, F. Sabatie, D. Schott, R. A. Schumacher, Y. G. Sharabian, G. D. Smith, R. Shneor, D. Sokhan, S. S. Stepanyan, S. Stepanyan, P. Stoler, S. Strauch, V. Sytnik, M. Taiuti, S. Tkachenko, M. Ungaro, A. V. Vlassov, E. Voutier, D. Watts, N. K. Walford, X. Wei, M. H. Wood, S. A. Wood, N. Zachariou, L. Zana, Z. W. Zhao, X. Zheng, I. Zonta

The atomic nucleus is composed of two different kinds of fermions, protons and neutrons. If the protons and neutrons did not interact, the Pauli exclusion principle would force the majority fermions (usually neutrons) to have a higher average momentum. Our high-energy electron scattering measurements using 12C, 27Al, 56Fe and 208Pb targets show that, even in heavy neutron-rich nuclei, short-range interactions between the fermions form correlated high-momentum neutron-proton pairs. 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

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

2012Jun
Authors: CLAS Collaboration, I. Bedlinskiy, V. Kubarovsky, S. Niccolai, P. Stoler, K. P. Adhikari, M. Aghasyan, M. J. Amaryan, M. Anghinolfi, H. Avakian, H. Baghdasaryan, J. Ball, N. A. Baltzell, M. Battaglieri, R. P. Bennett, A. S. Biselli, C. Bookwalter, S. Boiarinov, W. J. Briscoe, W. K. Brooks, V. D. Burkert, D. S. Carman, A. Celentano, S. Chandavar, G. Charles, M. Contalbrigo, V. Crede, A. D'Angelo, A. Daniel, N. Dashyan, R. De Vita, E. De Sanctis, A. Deur, C. Djalali, D. Doughty, R. Dupre, H. Egiyan, A. El Alaoui, L. El Fassi, L. Elouadrhiri, P. Eugenio, G. Fedotov, S. Fegan, J. A. Fleming, T. A. Forest, M. Garçon, N. Gevorgyan, K. L. Giovanetti, F. X. Girod, W. Gohn, R. W. Gothe, L. Graham, K. A. Griffioen, B. Guegan, M. Guidal, L. Guo, K. Hafidi, H. Hakobyan, C. Hanretty, D. Heddle, K. Hicks, M. Holtrop, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, H. S. Jo, K. Joo, D. Keller, M. Khandaker, P. Khetarpal, A. Kim, W. Kim, F. J. Klein, S. Koirala, A. Kubarovsky, S. E. Kuhn, S. V. Kuleshov, N. D. Kvaltine, K. Livingston, H. Y. Lu, I. J. D. MacGregor, Y. Mao, N. Markov, D. Martinez, M. Mayer, B. McKinnon, C. A. Meyer, T. Mineeva, M. Mirazita, V. Mokeev, H. Moutarde, E. Munevar, C. Munoz Camacho, P. Nadel-Turonski, G. Niculescu, I. Niculescu, M. Osipenko, A. I. Ostrovidov, L. L. Pappalardo, R. Paremuzyan, K. Park, S. Park, E. Pasyuk, S. Anefalos Pereira, E. Phelps, S. Pisano, O. Pogorelko, S. Pozdniakov, J. W. Price, S. Procureur, Y. Prok, 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. 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, S. Strauch, M. Taiuti, W. Tang, C. E. Taylor, Ye Tian, S. Tkachenko, M. Ungaro, M. F. Vineyard, A. Vlassov, H. Voskanyan, E. Voutier, N. K. Walford, D. P. Watts, L. B. Weinstein, D. P. Weygand, M. H. Wood, N. Zachariou, J. Zhang, Z. W. Zhao, I. Zonta

Exclusive $\pi^0$ electroproduction at a beam energy of 5.75 GeV has been measured with the Jefferson Lab CLAS spectrometer. Differential cross sections were measured at more than 1800 kinematic values in $Q^2$, $x_B$, $t$, and $\phi_\pi$, in the $Q^2$ range from 1. Read More

2012Jun
Authors: K. Park, M. Guidal, R. W. Gothe, J. M. Laget, M. Garçon, K. P. Adhikari, M. Aghasyan, M. J. Amaryan, M. Anghinolfi, H. Avakian, H. Baghdasaryan, J. Ball, N. A. Baltzell, M. Battaglieri, I. Bedlinsky, R. P. Bennett, A. S. Biselli, C. Bookwalter, S. Boiarinov, W. J. Briscoe, W. K. Brooks, V. D. Burkert, D. S. Carman, A. Celentano, S. Chandavar, G. Charles, M. Contalbrigo, V. Crede, A. D'Angelo, A. Daniel, N. Dashyan, R. De Vita, E. De Sanctis, A. Deur, C. Djalali, G. E. Dodge, D. Doughty, R. Dupre, H. Egiyan, A. El Alaoui, L. El Fassi, A. Fradi, P. Eugenio, G. Fedotov, S. Fegan, J. A. Fleming, T. A. Forest, N. Gevorgyan, G. P. Gilfoyle, K. L. Giovanetti, F. X. Girod, W. Gohn, E. Golovatch, L. Graham, K. A. Griffioen, B. Guegan, L. Guo, K. Hafidi, H. Hakobyan, C. Hanretty, D. Heddle, K. Hicks, D. Ho, M. Holtrop, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, D. Jenkins, H. S. Jo, D. Keller, M. Khandaker, P. Khetarpal, A. Kim, W. Kim, F. J. Klein, S. Koirala, A. Kubarovsky, V. Kubarovsky, S. E. Kuhn, S. V. Kuleshov, K. Livingston, H. Y. Lu, I. J. D. MacGregor, Y. Mao, N. Markov, D. Martinez, M. Mayer, B. McKinnon, C. A. Meyer, T. Mineeva, M. Mirazita, V. Mokeev, H. Moutarde, E. Munevar, C. Munoz Camacho, P. Nadel-Turonski, C. S. Nepali, S. Niccolai, G. Niculescu, I. Niculescu, M. Osipenko, A. I. Ostrovidov, L. L. Pappalardo, R. Paremuzyan, S. Park, E. Pasyuk, S. Anefalos Pereira, E. Phelps, 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. Sabatie, 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. S. Stepanyan, P. Stoler, I. I. Strakovsky, S. Strauch, M. Taiuti, W. Tang, C. E. Taylor, Ye Tian, S. Tkachenko, A. Trivedi, M. Ungaro, B . Vernarsky, H. Voskanyan, E. Voutier, N. K. Walford, D. P. Watts, L. B. Weinstein, D. P. Weygand, M. H. Wood, N. Zachariou, J. Zhang, Z. W. Zhao, I. Zonta

The exclusive electroproduction of $\pi^+$ above the resonance region was studied using the $\rm{CEBAF}$ Large Acceptance Spectrometer ($\rm{CLAS}$) at Jefferson Laboratory by scattering a 6 GeV continuous electron beam off a hydrogen target. The large acceptance and good resolution of $\rm{CLAS}$, together with the high luminosity, allowed us to measure the cross section for the $\gamma^* p \to n \pi^+$ process in 140 ($Q^2$, $x_B$, $t$) bins: $0.16Read More

2012Apr
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

The CLAS Collaboration provides a comment on the physics interpretation of the results presented in a paper published by M. Amaryan et al. regarding the possible observation of a narrow structure in the mass spectrum of a photoproduction experiment. Read More

2012Jan
Authors: L. El Fassi, L. Zana, K. Hafidi, M. Holtrop, B. Mustapha, W. K. Brooks, H. Hakobyan, X. Zheng, K. P. Adhikari, D. Adikaram, M. Aghasyan, M. J. Amaryan, M. Anghinolfi, J. Arrington, H. Avakian, H. Baghdasaryan, M. Battaglieri, V. Batourine, I. Bedlinskiy, A. S. Biselli, C. Bookwalter, D. Branford, W. J. Briscoe, S. Bultmann, V. D. Burkert, D. S. Carman, A. Celentano, S. Chandavar, P. L. Cole, M. Contalbrigo, V. Crede, A. D'Angelo, A. Daniel, N. Dashyan, R. De Vita, E. De Sanctis, A. Deur, B. Dey, R. Dickson, C. Djalali, G. E. Dodge, D. Doughty, R. Dupre, H. Egiyan, A. El Alaoui, L. Elouadrhiri, P. Eugenio, G. Fedotov, S. Fegan, M. Y. Gabrielyan, M. Garcon, 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, L. Guo, C. Hanretty, D. Heddle, K. Hicks, R. J. Holt, C. E. Hyde, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, S. S. Jawalkar, D. Keller, M. Khandaker, P. Khetarpal, A. Kim, W. Kim, A. Klein, F. J. Klein, V. Kubarovsky, S. E. Kuhn, S. V. Kuleshov, V. Kuznetsov, J. M. Laget, H. Y. Lu, I. J. D. MacGregor, Y. Mao, N. Markov, M. Mayer, J. McAndrew, B. McKinnon, C. A. Meyer, T. Mineeva, M. Mirazita, V. Mokeev, B. Moreno, H. Moutarde, E. Munevar, P. Nadel-Turonski, A. Ni, S. Niccolai, G. Niculescu, I. Niculescu, M. Osipenko, A. I. Ostrovidov, L. Pappalardo, R. Paremuzyan, K. Park, S. Park, E. Pasyuk, S. Anefalos Pereira, E. Phelps, S. Pisano, S. Pozdniakov, J. W. Price, S. Procureur, D. Protopopescu, B. A. Raue, P. E. Reimer, G. Ricco, D. Rimal, M. Ripani, B. G. Ritchie, G. Rosner, P. Rossi, F. Sabatie, M. S. Saini, C. Salgado, D. Schott, R. A. Schumacher, H. Seraydaryan, Y. G. Sharabian, E. S. Smith, G. D. Smith, D. I. Sober, D. Sokhan, S. S. Stepanyan, S. Stepanyan, P. Stoler, S. Strauch, M. Taiuti, W. Tang, C. E. Taylor, D. J. Tedeschi, S. Tkachenko, M. Ungaro, B . Vernarsky, M. F. Vineyard, H. Voskanyan, E. Voutier, D. Watts, L. B. Weinstein, D. P. Weygand, M. H. Wood, N. Zachariou, B. Zhao, Z. W. Zhao

We have measured the nuclear transparency of the incoherent diffractive $A(e,e'\rho^0)$ process in $^{12}$C and $^{56}$Fe targets relative to $^2$H using a 5 GeV electron beam. The nuclear transparency, the ratio of the produced $\rho^0$'s on a nucleus relative to deuterium, which is sensitive to $\rho A$ interaction, was studied as function of the coherence length ($l_c$), a lifetime of the hadronic fluctuation of the virtual photon, and the four-momentum transfer squared ($Q^2$). While the transparency for both $^{12}$C and $^{56}$Fe showed no $l_c$ dependence, a significant $Q^2$ dependence was measured, which is consistent with calculations that included the color transparency effects. Read More

2011Jun
Authors: M. Aghasyan, H. Avakian, P. Rossi, E. De Sanctis, D. Hasch, M. Mirazita, D. Adikaram, M. J. Amaryan, M. Anghinolfi, H. Baghdasaryan, J. Ball, M. Battaglieri, V. Batourine, I. Bedlinskiy, R. P. Bennett, A. S. Biselli, D. Branford, W. J. Briscoe, S. Bültmann, V. D. Burkert, D. S. Carman, S. Chandavar, P. L. Cole, P. Collins, M. Contalbrigo, V. Crede, A. D'Angelo, A. Daniel, N. Dashyan, R. De Vita, A. Deur, B. Dey, R. Dickson, C. Djalali, G. E. Dodge, D. Doughty, R. Dupre, H. Egiyan, A. El Alaoui, L. Elouadrhiri, P. Eugenio, G. Fedotov, S. Fegan, 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, L. Graham, K. A. Griffioen, B. Guegan, M. Guidal, N. Guler, L. Guo, K. Hafidi, C. Hanretty, K. Hicks, M. Holtrop, C. E. Hyde, Y. Ilieva, D. G. Ireland, E. L. Isupov, S. S. Jawalkar, D. Jenkins, H. S. Jo, K. Joo, D. Keller, M. Khandaker, P. Khetarpal, A. Kim, W. Kimy, A. Klein, F. J. Klein, V. Kubarovsky, S. E. Kuhn, S. V. Kuleshov, V. Kuznetsov, N. D. Kvaltine, K. Livingston, H. Y. Lu, I . J . D. MacGregor, N. Markov, M. Mayer, J. McAndrew, B. McKinnon, C. A. Meyer, A. M. Micherdzinska, V. Mokeev, B. Moreno, H. Moutarde, E. Munevar, P. Nadel-Turonski, A. Ni, S. Niccolai, G. Niculescu, I. Niculescu, M. Osipenko, A. I. Ostrovidov, M. Paolone, L. Pappalardo, R. Paremuzyan, K. Park, S. Park, E. Pasyuk, S. Anefalos Pereira, E. Phelps, S. Pisano, O. Pogorelko, S. Pozdniakov, J. W. Price, S. Procureur, Y. Prok, D. Protopopescu, B. A. Raue, G. Ricco, D. Rimal, M. Ripani, G. Rosner, 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, S. S. Stepanyan, S. Stepanyan, P. Stoler, I. Strakovsky, S. Strauch, M. Taiuti, W. Tang, C. E. Taylor, S. Tkachenko, M. Ungaro, H. Voskanyan, E. Voutier, D. Watts, L. B. Weinstein, D. P. Weygand, M. H. Wood, L. Zana, J. Zhang, B. Zhao, Z. W. Zhao

We present studies of single-spin asymmetries for neutral pion electroproduction in semi-inclusive deep-inelastic scattering of 5.776 GeV polarized electrons from an unpolarized hydrogen target, using the CEBAF Large Acceptance Spectrometer (CLAS) at the Thomas Jefferson National Accelerator Facility. A substantial $\sin \phi_h$ amplitude has been measured in the distribution of the cross section asymmetry as a function of the azimuthal angle $\phi_h$ of the produced neutral pion. Read More

Electroproduction of exclusive $\phi$ vector mesons has been studied with the CLAS detector in the kinematical range $1.4\leq Q^2\leq 3.8$ GeV$^{2}$, $0. Read More

We review briefly the physical concept of generalized parton distributions and the experimental challenges associated with the corresponding measurements of deep exclusive reactions.The first data obtained at Jefferson Lab for exclusive photon (DVCS) and vector meson (DVMP) electroproduction above the resonance-excitation region are described . Two upcoming dedicated DVCS experiments are presented in some detail. Read More

The concepts of Generalized Parton Distributions (GPD) are reviewed in an introductory and phenomenological fashion. These distributions provide a rich and unifying picture of the nucleon structure. Their physical meaning is discussed. Read More

A brief review of the history of the discovery of the deuteron in provided. The current status of both experiment and theory for the elastic electron scattering is then presented. Read More