Measurement of charged current deep inelastic scattering cross sections with a longitudinally polarised electron beam 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, F. Cindolo, M. Corradi, G. Iacobucci, A. Margotti, R. Nania, A. PoliniS. Antonelli, M. Basile, M. Bindi, L. Cifarelli, A. Contin, S. De Pasquale, G. Sartorelli, A. Zichichi, D. Bartsch, I. Brock, H. Hartmann, E. Hilger, H.-P. Jakob, M. Jungst, A. E. Nuncio-Quiroz, U. Samson, V. Schonberg, R. Shehzadi, M. Wlasenko, N. H. Brook, G. P. Heath, M. Kaur, P. Kaur, I. Singh, M. Capua, S. Fazio, A. Mastroberardino, M. Schioppa, G. Susinno, A. Pellegrino, ZEUS Collaboration

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Measurements of the cross sections for charged current deep inelastic scattering in e(-)p collisions with longitudinally polarised electron beams are presented. The measurements are based on a data sample with an integrated luminosity of 175 pb(-1) collected with the ZEUS detector at HERA at a centre-of-mass energy of 318 GeV. The total cross section is given for positively and negatively polarised electron beams. The differential cross-sections d sigma/dQ(2), d sigma/dx and d sigma/dy are presented for Q(2) > 200 GeV2. The double-differential cross-section d(2)sigma/dxdQ(2) is presented in the kinematic range 280 <Q(2) <30 000 GeV2 and 0.015 <x <0.65. The measured cross sections are compared with the predictions of the Standard Model.

Original languageEnglish
Pages (from-to)223-235
Number of pages13
JournalThe European Physical Journal C
Volume61
Issue number2
DOIs
Publication statusPublished - May-2009
Externally publishedYes

Keywords

  • CENTRAL TRACKING DETECTOR
  • ZEUS BARREL CALORIMETER
  • LUND MONTE-CARLO
  • QCD ANALYSIS
  • PARTON DISTRIBUTIONS
  • PROTON COLLISIONS
  • JET FRAGMENTATION
  • PARTICLE PHYSICS
  • EVENT GENERATOR
  • EP INTERACTIONS

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