Leading proton production in deep inelastic scattering at HERA

S. Chekanov*, M. Derrick, S. Magill, B. Musgrave, D. Nicholass, J. Repond, R. Yoshida, M. C. K. Mattingly, P. Antonioli, G. Bari, L. Bellagamba, D. Boscherini, A. Bruni, G. Bruni, G. Cara Romeo F. Cindolo, M. Corradi, P. Giusti, G. Iacobucci, A. Margotti, T. MassamR. Nania, A. Polini, S. Antonelli, M. Basile, M. Bindi, L. Cifarelli, A. Contin, F. Palmonari, S. De Pasquale, G. Sartorelli, A. Zichichi, D. Bartsch, I. Brock, H. Hartmann, E. Hilger, H. -P. Jakob, M. Juengst, A. E. Nuncio-Quiroz, U. Samson, V. Schoenberg, R. Shehzadi, M. Wlasenko, N. H. Brook, G. P. Heath, M. Kaur, P. Kaur, I. Singh, M. Capua, S. Fazio, A. Pellegrino, ZEUS Collaboration

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

19 Citations (Scopus)

Abstract

The semi-inclusive reaction e(+)p -> e(+) Xp was studied with the ZEUS detector at HERA with an integrated luminosity of 12.8 pb(-1). The final-state proton, which was detected with the ZEUS leading proton spectrometer, carried a large fraction of the incoming proton energy, x(L) > 0.32, and its transverse momentum squared satisfied p(T)(2) <0.5GeV(2); the exchanged photon virtuality, Q(2), was greater than 3 GeV2 and the range of the masses of the photon-proton system was 45 <W <225GeV. The leading proton production cross section and rates are presented as a function of x(L), p(T)(2), Q(2) and the Bjorken scaling variable, x.

Original languageEnglish
Article number074
Number of pages65
JournalJournal of High Energy Physics
Issue number6
DOIs
Publication statusPublished - Jun-2009

Keywords

  • Lepton-Nucleon Scattering
  • LEPTON-NUCLEON SCATTERING
  • CENTRAL TRACKING DETECTOR
  • PHYSICS EVENT GENERATION
  • ZEUS BARREL CALORIMETER
  • MONTE-CARLO GENERATOR
  • FRACTURE FUNCTIONS
  • HIGH-ENERGIES
  • DIFFRACTIVE SCATTERING
  • NEUTRON-CALORIMETER
  • CROSS-SECTIONS

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