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Cross sections for the γp→K* +Λ and γp→K*+Σ0 reactions measured at CLAS

  • W. Tang
  • , K. Hicks
  • , D. Keller
  • , S. H. Kim
  • , H. C. Kim
  • , K. P. Adhikari
  • , M. Aghasyan
  • , M. J. Amaryan
  • , M. D. Anderson
  • , S. Anefalos Pereira
  • , N. A. Baltzell
  • , M. Battaglieri
  • , I. Bedlinskiy
  • , A. S. Biselli
  • , J. Bono
  • , S. Boiarinov
  • , W. J. Briscoe
  • , V. D. Burkert
  • , D. S. Carman
  • , A. Celentano
  • S. Chandavar, G. Charles, P. L. Cole, P. Collins, M. Contalbrigo, O. Cortes, V. Crede, A. D'Angelo, N. Dashyan, R. De Vita, E. De Sanctis, A. Deur, C. Djalali, D. Doughty, R. Dupre, A. El Alaoui, L. El Fassi, P. Eugenio, G. Fedotov, S. Fegan, J. A. Fleming, M. Y. Gabrielyan, N. Gevorgyan, G. P. Gilfoyle, K. L. Giovanetti, F. X. Girod, W. Gohn, E. Golovatch, R. W. Gothe, K. A. Griffioen, M. Guidal, L. Guo, K. Hafidi, H. Hakobyan, C. Hanretty, N. Harrison, D. Heddle, D. Ho, M. Holtrop, C. E. Hyde, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, H. S. Jo, K. Joo, M. Khandaker, P. Khetarpal, A. Kim, W. Kim, F. J. Klein, S. Koirala, A. Kubarovsky, V. Kubarovsky, 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, 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, K. Park, S. Park, E. Pasyuk, E. Phelps, J. J. Phillips, S. Pisano, O. Pogorelko, S. Pozdniakov, J. W. Price, S. Procureur, Y. Prok, D. Protopopescu, A. J.R. Puckett, B. A. Raue, M. Ripani, D. Rimal, B. G. Ritchie, G. Rosner, P. Rossi, F. Sabatié, M. S. Saini, C. Salgado, D. Schott, R. A. Schumacher, H. Seraydaryan, Y. G. Sharabian, G. D. Smith, D. I. Sober, D. Sokhan, S. S. Stepanyan, S. Stepanyan, P. Stoler, I. I. Strakovsky, S. Strauch, C. E. Taylor, Ye Tian, S. Tkachenko, B. Torayev, M. Ungaro, B. Vernarsky, A. V. Vlassov, H. Voskanyan, E. Voutier, N. K. Walford, D. P. Watts, L. B. Weinstein, D. P. Weygand, M. H. Wood, N. Zachariou, L. Zana, J. Zhang, Z. W. Zhao, I. Zonta
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  • National Institute for Nuclear Physics
  • University of Glasgow
  • Argonne National Laboratory
  • University of South Carolina
  • Alikhanov Institute for Theoretical and Experimental Physics
  • Carnegie Mellon University
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  • Florida International University
  • Thomas Jefferson National Accelerator Facility
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  • Idaho State University
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  • A. Alikhanian Yerevan Institute of Physics
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  • California State University Dominguez Hills
  • Université Joseph Fourier Grenoble 1
  • Canisius College

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

The first high-statistics cross sections for the reactions γp→K*+Λ and γp→K *+Σ0 were measured using the CLAS detector at photon energies between threshold and 3.9 GeV at the Thomas Jefferson National Accelerator Facility. Differential cross sections are presented over the full range of the center-of-mass angles, and then fitted to Legendre polynomials to extract the total cross section. Results for the K* +Λ final state are compared with two different calculations in an isobar and a Regge model, respectively. Theoretical calculations significantly underestimate the K*+Λ total cross sections between 2.1 and 2.6 GeV, but are in better agreement with present data at higher photon energies.

Original languageEnglish
Article number065204
JournalPhysical Review C - Nuclear Physics
Volume87
Issue number6
DOIs
StatePublished - 19 Jun 2013

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