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Study of production and cold nuclear matter effects in pPb collisions at=5 TeV

Research output: Contribution to journalArticle

  • R. Aaij
  • B. Adeva
  • M. Adinolfi
  • A. Affolder
  • Z. Ajaltouni
  • J. Albrecht
  • F. Alessio
  • M. Alexander
  • S. Ali
  • G. Alkhazov
  • P. Alvarez Cartelle
  • A. A. Alves
  • S. Amato
  • S. Amerio
  • Y. Amhis
  • L. An
  • L. Anderlini
  • J. Anderson
  • R. Andreassen
  • M. Andreotti
  • J. E. Andrews
  • R. B. Appleby
  • O. Aquines Gutierrez
  • F. Archilli
  • A. Artamonov
  • M. Artuso
  • E. Aslanides
  • G. Auriemma
  • M. Baalouch
  • S. Bachmann
  • J. J. Back
  • A. Badalov
  • V. Balagura
  • W. Baldini
  • R. J. Barlow
  • C. Barschel
  • S. Barsuk
  • W. Barter
  • V. Batozskaya
  • A. Bay
  • L. Beaucourt
  • Laurence Carson
  • P. E. L. Clarke
  • G. A. Cowan
  • Daniel Craik
  • S. Eisenhardt
  • Silvia Gambetta
  • F. Muheim
  • M. Needham
  • S. Playfer
  • LHCb Collaboration

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Original languageEnglish
Article number094
Pages (from-to)094
Number of pages19
JournalJournal of High Energy Physics
Volume1407
Issue number7
DOIs
StatePublished - 21 Jul 2014

Abstract

Production of mesons in proton-lead collisions at a nucleon-nucleon centre-of-mass energy = 5 TeV is studied with the LHCb detector. The analysis is based on a data sample corresponding to an integrated luminosity of 1.6 nb(-1). The mesons of transverse momenta up to 15 GeV/c are reconstructed in the dimuon decay mode. The rapidity coverage in the centre-of-mass system is 1.5 <y <4.0 (forward region) and -5.0 <y <-2.5 (backward region). The forward-backward production ratio and the nuclear modification factor for (1S) mesons are determined. The data are compatible with the predictions for a suppression of (1S) production with respect to proton-proton collisions in the forward region, and an enhancement in the backward region. The suppression is found to be smaller than in the case of prompt J/psi mesons.

    Research areas

  • Relativistic heavy ion physics, Quarkonium, Heavy quark production, Heavy Ions, Particle and resonance production, OCTET QUARKONIA PRODUCTION, J-PSI, HADRONIC PRODUCTION, J/PSI PRODUCTION, 450 GEV/C, SUPPRESSION, DISTRIBUTIONS, GLUON, DECAY, TOOL

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