Kinematically complete measurement of the proton structure function [Formula Presented] in the resonance region and evaluation of its moments

  • M. Osipenko
  • , G. Ricco
  • , M. Taiuti
  • , M. Ripani
  • , S. Simula
  • , G. Adams
  • , E. Anciant
  • , M. Anghinolfi
  • , B. Asavapibhop
  • , G. Audit
  • , T. Auger
  • , H. Avakian
  • , H. Bagdasaryan
  • , J. P. Ball
  • , S. Barrow
  • , M. Battaglieri
  • , K. Beard
  • , M. Bektasoglu
  • , N. Bianchi
  • , A. S. Biselli
  • S. Boiarinov, P. Bosted, S. Bouchigny, R. Bradford, D. Branford, W. J. Briscoe, W. K. Brooks, V. D. Burkert, J. R. Calarco, D. S. Carman, B. Carnahan, A. Cazes, C. Cetina, L. Ciciani, R. Clark, P. L. Cole, A. Coleman, D. Cords, P. Corvisiero, D. Crabb, H. Crannell, J. P. Cummings, E. Sanctis, P. V. Degtyarenko, H. Denizli, L. Dennis, R. Vita, K. V. Dharmawardane, C. Djalali, G. E. Dodge, J. J. Domingo, D. Doughty, P. Dragovitsch, M. Dugger, S. Dytman, M. Eckhause, H. Egiyan, K. S. Egiyan, L. Elouadrhiri, A. Empl, R. Fatemi, G. Fedotov, R. J. Feuerbach, J. Ficenec, T. A. Forest, H. Funsten, S. J. Gaff, M. Gai, G. Gavalian, S. Gilad, G. P. Gilfoyle, K. L. Giovanetti, P. Girard, K. Griffioen, E. Golovatch, C. Gordon, M. Guidal, M. Guillo, L. Guo, V. Gyurjyan, C. Hadjidakis, J. Hardie, D. Heddle, F. W. Hersman, K. Hicks, R. S. Hicks, M. Holtrop, J. Hu, C. E. Hyde-Wright, B. S. Ishkhanov, M. M. Ito, D. Jenkins, K. Joo, J. H. Kelley, J. D. Kellie, M. Khandaker, D. H. Kim, K. Y. Kim, K. Kim, M. S. Kim, W. Kim, A. Klein, F. J. Klein, A. V. Klimenko, M. Klusman, M. Kossov, L. H. Kramer, Y. Kuang, S. E. Kuhn, J. Kuhn, J. Lachniet, J. M. Laget, D. Lawrence, Ji Li, K. Livingston, K. Lukashin, J. J. Manak, C. Marchand, S. McAleer, J. McCarthy, J. W.C. McNabb, B. A. Mecking, S. Mehrabyan, M. D. Mestayer, C. A. Meyer, K. Mikhailov, R. Minehart, M. Mirazita, R. Miskimen, V. Mokeev, L. Morand, S. A. Morrow, V. Muccifora, J. Mueller, L. Y. Murphy, G. S. Mutchler, J. Napolitano, R. Nasseripour, S. O. Nelson, S. Niccolai, G. Niculescu, I. Niculescu, B. B. Niczyporuk, R. A. Niyazov, M. Nozar, G. V. O’Rielly, A. K. Opper, K. Park, K. Paschke, E. Pasyuk, G. Peterson, S. A. Philips, N. Pivnyuk, D. Pocanic, O. Pogorelko, E. Polli, S. Pozdniakov, B. M. Preedom, J. W. Price, Y. Prok, D. Protopopescu, L. M. Qin, B. A. Raue, G. Riccardi, B. G. Ritchie, F. Ronchetti, P. Rossi, D. Rowntree, P. D. Rubin, F. Sabatié, K. Sabourov, C. Salgado, J. P. Santoro, V. Sapunenko, M. Sargsyan, R. A. Schumacher, V. S. Serov, Y. G. Sharabian, J. Shaw, S. Simionatto, A. V. Skabelin, E. S. Smith, L. C. Smith, D. I. Sober, M. Spraker, A. Stavinsky, S. Stepanyan, P. Stoler, S. Taylor, D. J. Tedeschi, U. Thoma, R. Thompson, L. Todor, C. Tur, M. Ungaro, M. F. Vineyard, A. V. Vlassov, K. Wang, L. B. Weinstein, H. Weller, D. P. Weygand, C. S. Whisnant, E. Wolin, M. H. Wood, A. Yegneswaran, J. Yun, B. Zhang, J. Zhao, Z. Zhou

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We measured the inclusive electron-proton cross section in the nucleon resonance region [Formula Presented] at momentum transfers [Formula Presented] below [Formula Presented] with the CLAS detector. The large acceptance of CLAS allowed the measurement of the cross section in a large, contiguous two-dimensional range of [Formula Presented] and x, making it possible to perform an integration of the data at fixed [Formula Presented] over the significant x interval. From these data we extracted the structure function [Formula Presented] and, by including other world data, we studied the [Formula Presented] evolution of its moments, [Formula Presented] in order to estimate higher twist contributions. The small statistical and systematic uncertainties of the CLAS data allow a precise extraction of the higher twists and will require significant improvements in theoretical predictions if a meaningful comparison with these new experimental results is to be made.

Original languageEnglish
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume67
Issue number9
DOIs
StatePublished - 2003

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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