14 Citations (Scopus)

Abstract

The production cross-sections of ϒ(1S), ϒ(2S) and ϒ(3S) mesons in proton-proton collisions at s=13 TeV are measured with a data sample corresponding to an integrated luminosity of 277 ± 11 pb−1 recorded by the LHCb experiment in 2015. The ϒ mesons are reconstructed in the decay mode ϒ → μ+μ. The differential production cross-sections times the dimuon branching fractions are measured as a function of the ϒ transverse momentum, pT, and rapidity, y, over the range 0 < pT< 30 GeV/c and 2.0 < y < 4.5. The ratios of the cross-sections with respect to the LHCb measurement at s=8 TeV are also determined. The measurements are compared with theoretical predictions based on NRQCD.

Original languageEnglish
Article number134
Number of pages27
JournalJournal of High Energy Physics
Volume2018
Issue number7
DOIs
Publication statusPublished - 1 Jul 2018

Keywords

  • Hadron-Hadron scattering (experiments)
  • QCD
  • Quarkonium
  • CROSS-SECTIONS
  • DECAY
  • HADRONIC PRODUCTION
  • J-PSI

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