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Experimental study of exclusive H2(e,e′p)n reaction mechanisms at high Q2

  • K. S. Egiyan
  • , G. Asryan
  • , N. Gevorgyan
  • , K. A. Griffioen
  • , J. M. Laget
  • , S. E. Kuhn
  • , G. Adams
  • , M. J. Amaryan
  • , P. Ambrozewicz
  • , M. Anghinolfi
  • , G. Audit
  • , H. Avakian
  • , H. Bagdasaryan
  • , N. Baillie
  • , J. P. Ball
  • , N. A. Baltzell
  • , S. Barrow
  • , V. Batourine
  • , M. Battaglieri
  • , I. Bedlinskiy
  • M. Bektasoglu, M. Bellis, N. Benmouna, B. L. Berman, A. S. Biselli, L. Blaszczyk, S. Bouchigny, S. Boiarinov, R. Bradford, D. Branford, W. J. Briscoe, W. K. Brooks, S. Bültmann, V. D. Burkert, C. Butuceanu, J. R. Calarco, S. L. Careccia, D. S. Carman, A. Cazes, S. Chen, P. L. Cole, P. Collins, P. Coltharp, D. Cords, P. Corvisiero, D. Crabb, V. Crede, J. P. Cummings, N. Dashyan, R. De Masi, R. De Vita, E. De Sanctis, P. V. Degtyarenko, H. Denizli, L. Dennis, A. Deur, K. V. Dharmawardane, R. Dickson, C. Djalali, G. E. Dodge, J. Donnelly, D. Doughty, M. Dugger, S. Dytman, O. P. Dzyubak, H. Egiyan, L. El Fassi, L. Elouadrhiri, P. Eugenio, R. Fatemi, G. Fedotov, G. Feldman, R. J. Feuerbach, R. Fersch, M. Garçon, G. Gavalian, G. P. Gilfoyle, K. L. Giovanetti, F. X. Girod, J. T. Goetz, A. Gonenc, C. I.O. Gordon, R. W. Gothe, M. Guidal, M. Guillo, N. Guler, L. Guo, V. Gyurjyan, C. Hadjidakis, K. Hafidi, H. Hakobyan, R. S. Hakobyan, C. Hanretty, J. Hardie, F. W. Hersman, K. Hicks, I. Hleiqawi, M. Holtrop, C. E. Hyde-Wright, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, M. M. Ito, D. Jenkins, H. S. Jo, K. Joo, H. G. Juengst, N. Kalantarians, J. D. Kellie, M. Khandaker, W. Kim, A. Klein, F. J. Klein, A. V. Klimenko, M. Kossov, Z. Krahn, L. H. Kramer, V. Kubarovsky, J. Kuhn, S. V. Kuleshov, J. Lachniet, J. Langheinrich, D. Lawrence, Ji Li, K. Livingston, H. Y. Lu, M. MacCormick, C. Marchand, N. Markov, P. Mattione, S. McAleer, B. McKinnon, J. W.C. McNabb, B. A. Mecking, S. Mehrabyan, J. J. Melone, M. D. Mestayer, C. A. Meyer, T. Mibe, K. Mikhailov, R. Minehart, M. Mirazita, R. Miskimen, V. Mokeev, K. Moriya, S. A. Morrow, M. Moteabbed, J. Mueller, E. Munevar, G. S. Mutchler, P. Nadel-Turonski, R. Nasseripour, S. Niccolai, G. Niculescu, I. Niculescu, B. B. Niczyporuk, M. R. Niroula, R. A. Niyazov, M. Nozar, G. V. O'Rielly, M. Osipenko, A. I. Ostrovidov, K. Park, E. Pasyuk, C. Paterson, S. Anefalos Pereira, J. Pierce, N. Pivnyuk, D. Pocanic, O. Pogorelko, S. Pozdniakov, B. M. Preedom, J. W. Price, Y. Prok, D. Protopopescu, B. A. Raue, G. Riccardi, G. Ricco, M. Ripani, B. G. Ritchie, F. Ronchetti, G. Rosner, P. Rossi, F. Sabatié, J. Salamanca, C. Salgado, J. P. Santoro, V. Sapunenko, R. A. Schumacher, V. S. Serov, Y. G. Sharabian, N. V. Shvedunov, A. V. Skabelin, E. S. Smith, L. C. Smith, D. I. Sober, D. Sokhan, A. Stavinsky, S. S. Stepanyan, S. Stepanyan, B. E. Stokes, P. Stoler, S. Strauch, M. Taiuti, D. J. Tedeschi, U. Thoma, A. Tkabladze, S. Tkachenko, L. Todor, C. Tur, M. Ungaro, M. F. Vineyard, A. V. Vlassov, D. P. Watts, L. B. Weinstein, D. P. Weygand, M. Williams, E. Wolin, M. H. Wood, A. Yegneswaran, L. Zana, J. Zhang, B. Zhao, Z. W. Zhao
  • A. Alikhanian Yerevan Institute of Physics
  • College of William and Mary
  • Thomas Jefferson National Accelerator Facility
  • Old Dominion University
  • Rensselaer Polytechnic Institute
  • Florida International University
  • National Institute for Nuclear Physics
  • CEA Saclay
  • Arizona State University
  • University of South Carolina
  • Florida State University
  • Kyungpook National University
  • Alikhanov Institute for Theoretical and Experimental Physics
  • Ohio University
  • Carnegie Mellon University
  • George Washington University
  • Fairfield University
  • Institut de Physique Nucléaire Orsay
  • University of Edinburgh
  • University of Regina
  • University of New Hampshire
  • Idaho State University
  • University of Virginia
  • University of Pittsburgh
  • University of Glasgow
  • Christopher Newport University
  • Argonne National Laboratory
  • Lomonosov Moscow State University
  • University of Richmond
  • James Madison University
  • University of California at Los Angeles
  • Catholic University of America
  • Virginia Polytechnic Institute and State University
  • University of Connecticut
  • Norfolk State University
  • University of Massachusetts
  • Rice University
  • California State University Dominguez Hills
  • Massachusetts Institute of Technology
  • German Research Foundation
  • University of Bonn
  • Justus Liebig University Giessen
  • Union College

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

The reaction H2(e,e′p)n has been studied with full kinematic coverage for photon virtuality 1.75<Q2<5.5GeV2. Comparisons of experimental data with theory indicate that for very low values of neutron recoil momentum (pn<100MeV/c) the neutron is primarily a spectator and the reaction can be described by the plane-wave impulse approximation. For 100<pn<750MeV/c, proton-neutron rescattering dominates the cross section, while Δ production followed by the NΔ→NN transition is the primary contribution at higher momenta.

Original languageEnglish
Article number262502
JournalPhysical Review Letters
Volume98
Issue number26
DOIs
StatePublished - 27 Jun 2007

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