D. Romanov

D. Romanov
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D. Romanov

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High Energy Physics - Experiment (3)
Nuclear Experiment (3)
Physics - Instrumentation and Detectors (2)
Computer Science - Neural and Evolutionary Computing (1)
Computer Science - Computer Vision and Pattern Recognition (1)
Solar and Stellar Astrophysics (1)

Publications Authored By D. Romanov

Authors: GlueX Collaboration, H. Al Ghoul, E. G. Anassontzis, A. Austregesilo, F. Barbosa, A. Barnes, T. D. Beattie, D. W. Bennett, V. V. Berdnikov, T. Black, W. Boeglin, W. J. Briscoe, W. K. Brooks, B. E. Cannon, O. Chernyshov, E. Chudakov, V. Crede, M. M. Dalton, A. Deur, S. Dobbs, A. Dolgolenko, M. Dugger, R. Dzhygadlo, H. Egiyan, P. Eugenio, C. Fanelli, A. M. Foda, J. Frye, S. Furletov, L. Gan, A. Gasparian, A. Gerasimov, N. Gevorgyan, K. Goetzen, V. S. Goryachev, L. Guo, H. Hakobyan, J. Hardin, A. Henderson, G. M. Huber, D. G. Ireland, M. M. Ito, N. S. Jarvis, R. T. Jones, V. Kakoyan, M. Kamel, F. J. Klein, R. Kliemt, C. Kourkoumeli, S. Kuleshov, I. Kuznetsov, M. Lara, I. Larin, D. Lawrence, W. I. Levine, K. Livingston, G. J. Lolos, V. Lyubovitskij, D. Mack, P. T. Mattione, V. Matveev, M. McCaughan, M. McCracken, W. McGinley, J. McIntyre, R. Mendez, C. A. Meyer, R. Miskimen, R. E. Mitchell, F. Mokaya, K. Moriya, F. Nerling, G. Nigmatkulov, N. Ochoa, A. I. Ostrovidov, Z. Papandreou, M. Patsyuk, R. Pedroni, M. R. Pennington, L. Pentchev, K. J. Peters, E. Pooser, B. Pratt, Y. Qiang, J. Reinhold, B. G. Ritchie, L. Robison, D. Romanov, C. Salgado, R. A. Schumacher, C. Schwarz, J. Schwiening, A. Yu. Semenov, I. A. Semenova, K. K. Seth, M. R. Shepherd, E. S. Smith, D. I. Sober, A. Somov, S. Somov, O. Soto, N. Sparks, M. J. Staib, J. R. Stevens, I. I. Strakovsky, A. Subedi, V. Tarasov, S. Taylor, A. Teymurazyan, I. Tolstukhin, A. Tomaradze, A. Toro, A. Tsaris, G. Vasileiadis, I. Vega, N. K. Walford, D. Werthmuller, T. Whitlatch, M. Williams, E. Wolin, T. Xiao, J. Zarling, Z. Zhang, B. Zihlmann, V. Mathieu, J. Nys

We report measurements of the photon beam asymmetry $\Sigma$ for the reactions $\vec{\gamma}p\to p\pi^0$ and $\vec{\gamma}p\to p\eta $ from the GlueX experiment using a 9 GeV linearly-polarized, tagged photon beam incident on a liquid hydrogen target in Jefferson Lab's Hall D. The asymmetries, measured as a function of the proton momentum transfer, possess greater precision than previous $\pi^0$ measurements and are the first $\eta$ measurements in this energy regime. The results are compared with theoretical predictions based on $t$-channel, quasi-particle exchange and constrain the axial-vector component of the neutral meson production mechanism in these models. Read More


The GlueX experiment at Jefferson Lab ran with its first commissioning beam in late 2014 and the spring of 2015. Data were collected on both plastic and liquid hydrogen targets, and much of the detector has been commissioned. All of the detector systems are now performing at or near design specifications and events are being fully reconstructed, including exclusive production of $\pi^{0}$, $\eta$ and $\omega$ mesons. Read More

Authors: SELEX Collaboration, G. A. Nigmatkulov, A. K. Ponosov, U. Akgun, G. Alkhazov, J. Amaro-Reyes, A. Asratyan, A. G. Atamantchouk, A. S. Ayan, M. Y. Balatz, A. Blanco-Covarrubias, N. F. Bondar, P. S. Cooper, L. J. Dauwe, G. V. Davidenko, U. Dersch, A. G. Dolgolenko, G. B. Dzyubenko, R. Edelstein, L. Emediato, A. M. F. Endler, J. Engelfried, I. Eschrich, C. O. Escobar, N. Estrada, A. V. Evdokimov, I. S. Filimonov, A. Flores-Castillo, F. G. Garcia, V. L. Golovtsov, P. Gouffon, E. Gülmez, M. Iori, S. Y. Jun, M. Kaya, J. Kilmer, V. T. Kim, L. M. Kochenda, I. Konorov, A. P. Kozhevnikov, A. G. Krivshich, H. Krüger, M. A. Kubantsev, V. P. Kubarovsky, A. I. Kulyavtsev, N. P. Kuropatrkin, V. F. Kurshetsov, A. Kushnirenko, J. Lach, L. G. Landsberg, I. Larin, E. M. Leikin, G. López-Hinojosa, T. Lungov, V. P. Maleev, D. Mao, P. Mathew, M. Mattson, V. Matveev, E. McCliment, M. A. Moinester, V. V. Molchanov, A. Morelos, A. V. Nemitkin, P. V. Neoustroev, C. Newsom, A. P. Nilov, S. B. Nurushev, A. Ocherashvili, Y. Onel, S. Ozkorucuklu, A. Penzo, S. V. Petrenko, M. Procario, V. A. Prutskoi, B. V. Razmyslovich, D. A. Romanov, V. I. Rud, J. Russ, J. L. Sánchez-López, A. A. Savchenko, J. Simon, G. V. Sinev, A. I. Sitnikov, V. J. Smith, M. Srivastava, V. Steiner, V. Stepanov, L. Stutte, M. Svoiski, V. V. Tarasov, N. K. Terentyev, I. Torres, L. N. Uvarov, A. N. Vasiliev, D. V. Vavilov, E. Vázquez-Jáuregui, V. S. Verebryusov, V. A. Victorov, V. E. Vishnyakov, A. A. Vorobyov, K. Vorwalter, J. You, R. Zukanovich-Funchal

We report on the measurement of the one-dimensional charged kaon correlation functions using 600~GeV/{\it c} $\Sigma^-$, $\pi^-$ and 540~GeV/{\it c} $p$ beams from the SELEX~(E781) experiment at the Fermilab Tevatron. $K^{\pm}K^{\pm}$ correlation functions are studied for three transverse pair momentum, $k_T$, ranges and parameterized by a Gaussian form. The emission source radii, $R$, and the correlation strength, $\lambda$, are extracted. Read More

We propose to enhance the kaon identification capabilities of the GlueX detector by constructing an FDIRC (Focusing Detection of Internally Reflected Cherenkov) detector utilizing the decommissioned BaBar DIRC components. The GlueX FDIRC would significantly enhance the GlueX physics program by allowing one to search for and study hybrid mesons decaying into kaon final states. Such systematic studies of kaon final states are essential for inferring the quark flavor content of hybrid and conventional mesons. Read More

We confirm the principal difference of the initiation phase between the impulsive and gradual CME motion trajectory revealed earlier in preliminary studies. Based on studying the dynamics of two impulsive CME (25 March 2008 and 13 June 2010), and also the MHD-approximation computations, we have come to a conclusion that forming impulsive CME starts under the solar photosphere and may be associated with supersonic emergence of magnetic tubes from the convective region. A radial velocity of such tubes at the photosphere level can reach hundreds of km s$^{-1}$, and their angular size $d\approx$ (1-3)$^\circ$. Read More

We present an algorithm of clustering of many-dimensional objects, where only the distances between objects are used. Centers of classes are found with the aid of neuron-like procedure with lateral inhibition. The result of clustering does not depend on starting conditions. Read More