Differential cross sections for the reactions γp→pη and γp→pη'

M. Williams, Z. Krahn, D. Applegate, M. Bellis, C. A. Meyer, K. P. Adhikari, M. Anghinolfi, H. Baghdasaryan, J. Ball, M. Battaglieri, I. Bedlinskiy, B. L. Berman, A. S. Biselli, C. Bookwalter, W. J. Briscoe, W. K. Brooks, V. D. Burkert, S. L. Careccia, D. S. Carman, P. L. ColeP. Collins, V. Crede, A. D'Angelo, A. Daniel, R. De Vita, E. De Sanctis, A. Deur, B. Dey, S. Dhamija, R. Dickson, C. Djalali, G. E. Dodge, D. Doughty, M. Dugger, R. Dupre, A. El Laoui, L. Elouadrhiri, P. Eugenio, S. Fegan, A. Fradi, M. Y. Gabrielyan, M. Garçon, G. P. Gilfoyle, K. L. Giovanetti, F. X. Girod, W. Gohn, E. Golovatch, R. W. Gothe, K. A. Griffioen, M. Guidal, N. Guler, L. Uo, K. Hafidi, H. Hakobyan, C. Hanretty, N. Hassall, K. Hicks, M. Holtrop, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, E. L. Isupov, S. S. Jawalkar, H. S. Jo, J. R. Johnstone, K. Joo, D. Keller, M. Khandaker, P. Khetarpal, W. Kim, A. Lein, F. J. Klein, V. Kubarovsky, S. V. Kuleshov, V. Kuznetsov, K. Livingston, H. Y. Lu, M. Mayer, J. McAndrew, M. E. McCracken, B. McKinnon, K. Mikhailov, T. Mineeva, M. Mirazita, V. Mokeev, K. Moriya, B. Morrison, E. Munevar, P. Nadel-Turonski, C. S. Nepali, S. Niccolai, G. Niculescu, I. Niculescu, M. R. Niroula, R. A. Niyazov, M. Osipenko, A. I. Ostrovidov, K. Park, S. Park, E. Pasyuk, S. Anefalos Pereira, Y. Errin, D. Pieschacon, S. Pisano, O. Pogorelko, S. Pozdniakov, J. W. Price, S. Procureur, Y. Rok, D. Protopopescu, B. A. Raue, G. Ricco, M. Ripani, B. G. Ritchie, G. Rosner, P. Rossi, F. Sabatié, M. S. Saini, J. Salamanca, C. Salgado, D. Schott, R. A. Schumacher, H. Seraydaryan, Y. G. Sharabian, E. S. Smith, D. I. Sober, D. Sokhan, S. S. Stepanyan, P. Stoler, I. I. Strakovsky, S. Strauch, M. Taiuti, D. J. Tedeschi, S. Tkachenko, M. Ungaro, M. F. Vineyard, E. Outier, D. P. Atts, L. B. Weinstein, D. P. Weygand, M. H. Wood, J. Zhang, B. Zhao

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Abstract

High-statistics differential cross sections for the reactions γp→pη and γp→pη' have been measured using the CEBAF large acceptance spectrometer (CLAS) at Jefferson Lab for center-of-mass energies from near threshold up to 2.84 GeV. The η' results are the most precise to date and provide the largest energy and angular coverage. The η measurements extend the energy range of the world's large-angle results by approximately 300 MeV. These new data, in particular the η' measurements, are likely to help constrain the analyses being performed to search for new baryon resonance states. © 2009 The American Physical Society.
Original languageEnglish
JournalPhysical Review C - Nuclear Physics
DOIs
Publication statusPublished - 29 Oct 2009
Externally publishedYes

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