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Polarized structure function σlT' for H1(e→,e'K+)Λ in the nucleon resonance region

  • R. Nasseripour
  • , B. A. Raue
  • , D. S. Carman
  • , P. Ambrozewicz
  • , M. J. Amaryan
  • , E. Anciant
  • , M. Anghinolfi
  • , B. Asavapibhop
  • , G. Asryan
  • , G. Audit
  • , T. Auger
  • , H. Avakian
  • , H. Bagdasaryan
  • , N. Baillie
  • , J. P. Ball
  • , N. A. Baltzell
  • , S. Barrow
  • , M. Battaglieri
  • , K. Beard
  • , I. Bedlinskiy
  • M. Bektasoglu, M. Bellis, N. Benmouna, B. L. Berman, A. S. Biselli, L. Blaszczyk, B. E. Bonner, S. Bouchigny, S. Boiarinov, R. Bradford, D. Branford, W. J. Briscoe, W. K. Brooks, V. D. Burkert, C. Butuceanu, J. R. Calarco, S. L. Careccia, L. Casey, C. Cetina, S. Chen, L. Cheng, P. L. Cole, P. Collins, P. Coltharp, D. Cords, P. Corvisiero, D. Crabb, V. Crede, D. Dale, N. Dashyan, R. De Masi, R. De Vita, E. De Sanctis, P. V. Degtyarenko, L. Dennis, A. Deur, K. S. Dhuga, R. Dickson, C. Djalali, G. E. Dodge, D. Doughty, P. Dragovitsch, M. Dugger, S. Dytman, O. P. Dzyubak, H. Egiyan, K. S. Egiyan, L. El Fassi, L. Elouadrhiri, P. Eugenio, R. Fatemi, G. Fedotov, G. Feldman, R. J. Feuerbach, T. A. Forest, A. Fradi, H. Funsten, M. Garçcon, G. Gavalian, N. Gevorgyan, G. P. Gilfoyle, K. L. Giovanetti, P. Girard, F. X. Girod, J. T. Goetz, R. W. Gothe, K. A. Griffioen, M. Guidal, M. Guillo, N. Guler, L. Guo, V. Gyurjyan, K. Hafidi, H. Hakobyan, C. Hanretty, J. Hardie, D. Heddle, F. W. Hersman, K. Hicks, I. Hleiqawi, M. Holtrop, J. Hu, C. E. Hyde-Wright, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, M. M. Ito, D. Jenkins, H. S. Jo, J. R. Johnstone, K. Joo, H. G. Juengst, N. Kalantarians, J. D. Kellie, M. Khandaker, K. Y. Kim, K. Kim, W. Kim, A. Klein, F. J. Klein, M. Kossov, Z. Krahn, L. H. Kramer, V. Kubarovsky, J. Kuhn, S. E. Kuhn, S. V. Kuleshov, V. Kuznetsov, J. Lachniet, J. M. Laget, J. Langheinrich, D. Lawrence, K. Livingston, H. Y. Lu, K. Lukashin, M. MacCormick, J. J. Manak, N. Markov, P. Mattione, S. McAleer, B. McKinnon, J. W.C. McNabb, B. A. Mecking, M. D. Mestayer, C. A. Meyer, T. Mibe, K. Mikhailov, R. Minehart, M. Mirazita, R. Miskimen, V. Mokeev, B. Moreno, K. Moriya, S. A. Morrow, M. Moteabbed, J. Mueller, E. Munevar, G. S. Mutchler, P. Nadel-Turonski, S. Niccolai, G. Niculescu, I. Niculescu, B. B. Niczyporuk, M. R. Niroula, R. A. Niyazov, M. Nozar, M. Osipenko, A. I. Ostrovidov, K. Park, E. Pasyuk, C. Paterson, S. Anefalos Pereira, G. Peterson, S. A. Philips, J. Pierce, N. Pivnyuk, D. Pocanic, O. Pogorelko, S. Pozdniakov, B. M. Preedom, J. W. Price, S. Procureur, Y. Prok, D. Protopopescu, L. M. Qin, G. Riccardi, G. Ricco, M. Ripani, B. G. Ritchie, G. Rosner, P. Rossi, P. D. Rubin, F. Sabatié, J. Salamanca, C. Salgado, J. P. Santoro, V. Sapunenko, D. Sayre, R. A. Schumacher, V. S. Serov, A. Shafi, Y. G. Sharabian, D. Sharov, N. V. Shvedunov, S. Simionatto, 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, I. I. Strakovsky, S. Strauch, M. Taiuti, S. Taylor, D. J. Tedeschi, R. Thompson, A. Tkabladze, S. Tkachenko, M. Ungaro, M. F. Vineyard, A. V. Vlassov, K. Wang, D. P. Watts, L. B. Weinstein, D. P. Weygand, M. Williams, E. Wolin, M. H. Wood, A. Yegneswaran, J. Yun, L. Zana, J. Zhang, B. Zhao, Z. W. Zhao
  • Florida International University
  • University of South Carolina
  • Thomas Jefferson National Accelerator Facility
  • Old Dominion University
  • CEA Saclay
  • National Institute for Nuclear Physics
  • University of Massachusetts
  • A. Alikhanian Yerevan Institute of Physics
  • College of William and Mary
  • Arizona State University
  • Florida State University
  • James Madison University
  • Alikhanov Institute for Theoretical and Experimental Physics
  • Carnegie Mellon University
  • George Washington University
  • Fairfield University
  • Rice University
  • Institut de Physique Nucléaire Orsay
  • University of Edinburgh
  • University of New Hampshire
  • Catholic University of America
  • Idaho State University
  • University of Virginia
  • Christopher Newport University
  • University of Pittsburgh
  • Argonne National Laboratory
  • Lomonosov Moscow State University
  • University of Richmond
  • University of California at Los Angeles
  • Ohio University
  • Rensselaer Polytechnic Institute
  • University of Glasgow
  • Virginia Polytechnic Institute and State University
  • University of Connecticut
  • Norfolk State University
  • Kyungpook National University
  • California State University Dominguez Hills
  • Massachusetts Institute of Technology
  • Union College

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

The first measurements of the polarized structure function σLT' for the reaction H1(e→,e'K+)Λ in the nucleon resonance region are reported. Measurements are included from threshold up to W=2.05 GeV for central values of Q2 of 0.65 and 1.00 GeV2, and nearly the entire kaon center-of-mass angular range. σLT' is the imaginary part of the longitudinal-transverse response and is expected to be sensitive to interferences between competing intermediate s-channel resonances, as well as resonant and nonresonant processes. The results for σLT' are comparable in magnitude to previously reported results from CLAS for σLT, the real part of the same response. An intriguing sign change in σLT' is observed in the high Q2 data at W≈1.9 GeV. Comparisons to several existing model predictions are shown.

Original languageEnglish
Article number065208
JournalPhysical Review C - Nuclear Physics
Volume77
Issue number6
DOIs
StatePublished - 11 Jun 2008

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