Diffractive photoproduction of dijets in ep collisions at HERA

Sergei V. Chekanov, Malcolm Derrick, S. Magill, Brian Musgrave, D. Nicholass, J. Repond, R. Yoshida, M.C.K. Mattingly, M. Jechow, N. Pavel

90 more authors

A.G. Yagües Molina, S. Antonelli, P. Antonioli, Giacomo Bari, M. Basile, L. Bellagamba, M. Bindi, D. Boscherini, A. Bruni, G. Bruni, L. Cifarelli, F. Cindolo, A. Contin, M. Corradi, S. De Pasquale, GIUSEPPE IACOBUCCI, A. Margotti, R. Nania, Alessandro Polini, G. Sartorelli, ANTONINO ZICHICHI, D. Bartsch, Ian C. Brock, H. Hartmann, E. Hilger, H.‐P. Jakob, M. Jüngst, O. Kind, A.-E. Nuncio-Quiroz, E. Paul, R. Renner, U. Samson, V. Schönberg, R. Shehzadi, M. Wlasenko, Nicholas H Brook, G.P. Heath, J. D. Morris, M. Capua, Salvatore Fazio, Anna Mastroberardino, Marco Schioppa, G. F. Susinno, E. ̃Tassi, J.Y. Kim, Z. A. Ibrahim, Burhanuddin Kamaluddin, W. A. T. Wan Abdullah, Y. Ning, Z. Ren, F. J. Sciulli, J. J. Chwastowski, A. Eskreys, J. Figiel, A. Galas, M. Gil, Krystyna Olkiewicz, P. Stopa, L. Zawiejski, L. Adamczyk, T. Bołd, I. Grabowska-Bołd, Danuta Kisielewska, J. Łukasik, M. Przybycień, L. Suszycki, Andrzej Kotański, Wojtek Slominski, V. Adler, U. Behrens, C. Blohm, Anthony Bonato, K. Borras, R. Ciesielski, N. Coppola, V. Drugakov, S. Fang, J. Fourletova, A. Geiser, D. Gladkov, P. Göttlicher, J. Grebenyuk, I. M. Gregor, T. Haas, W. Hain, A. Hüttmann, B. Kahle, I.I. Katkov, U. Klein, U. Kötz

The European Physical Journal C, 2008

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DOI 10.1140/epjc/s10052-008-0598-2
Data confidence 70 medium
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Abstract

Diffractive photoproduction of dijets was measured with the ZEUS detector at the ep collider HERA using an integrated luminosity of 77.2 pb-1. The measurements were made in the kinematic range Q2 < 1 GeV2, 0.20 7.5 and 6.5 GeV, respectively, and to lie in the pseudorapidity range -1.5<ηjet<1.5. Differential cross sections were compared to perturbative QCD calculations using available parameterisations of diffractive parton distributions of the proton.