Measurement of J/psi photoproduction at large momentum transfer at HERA

Piotrzkowski, Krzysztof;Chekanov, S.;de Favereau, J.;et.al.
(2009) arXiv —

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Authors
  • Piotrzkowski, KrzysztofUCLouvain
    Author
  • Chekanov, S.
    Author
  • de Favereau, J.UCLouvain
    Author
  • et. al.
Abstract
(en) The proton-dissociative diffractive photoproduction of J/psi mesons has been studied in ep collisions with the ZEUS detector at HERA using an integrated luminosity of 112 pb^-1. The cross section is presented as a function of the photon-proton centre-of-mass energy and of the squared four-momentum transfer at the proton vertex. The results are compared to perturbative QCD calculations. Comment: 38 pages, 11 figures
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Citations

Piotrzkowski, K., Chekanov, S., de Favereau, J., & et al. (2009). Measurement of J/psi photoproduction at large momentum transfer at HERA. arXiv. https://hdl.handle.net/2078.5/257483