Prompt Λc+ production in pPb collisions at √sNN=5.02 TeV

The LHCb Collaboration

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Abstract

The prompt production of Λ c + baryons is studied in proton-lead collisions collected with the LHCb detector at the LHC. The data sample corresponds to an integrated luminosity of 1.58 nb −1 recorded at a nucleon-nucleon centre-of-mass energy of sNN=5.02 TeV. Measurements of the differential cross-section and the forwardbackward production ratio are reported for Λ c + baryons with transverse momenta in the range 2 < p T < 10 GeV/c and rapidities in the ranges 1.5 < y ∗ < 4.0 and −4.5 < y ∗ < −2.5 in the nucleon-nucleon centre-of-mass system. The ratio of cross-sections of Λ c + baryons and D 0 mesons is also reported. The results are compared with next-to-leading order calculations that use nuclear parton distribution functions.
Original languageEnglish
Article number102
Number of pages26
JournalJournal of High Energy Physics
Volume2019
Issue number2
DOIs
Publication statusPublished - 2019
Externally publishedYes

Keywords

  • Charm physics
  • Forward physics
  • Heavy Ion Experiments
  • Heavy quark production

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