Measurement of quarkonium production cross sections in pp collisions at √s=13TeV

the CMS Collaboration

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Abstract

Differential production cross sections of J/ψ and ψ(2S) charmonium and Υ(nS) (n = 1, 2, 3) bottomonium states are measured in proton-proton collisions at s√= 13 TeV, with data collected by the CMS detector at the LHC, corresponding to an integrated luminosity of 2.3 fb−1 for the J/ψ and 2.7 fb−1 for the other mesons. The five quarkonium states are reconstructed in the dimuon decay channel, for dimuon rapidity |y|< 1.2. The double-differential cross sections for each state are measured as a function of y and transverse momentum, and compared to theoretical expectations. In addition, ratios are presented of cross sections for prompt ψ(2S) to J/ψ, Υ(2S) to Υ(1S), and Υ(3S) to Υ(1S) production.
Original languageEnglish
Pages (from-to)251-272
Number of pages22
JournalPhysics Letters B
Volume780
Early online date1 Mar 2018
DOIs
Publication statusPublished - 10 Mar 2018

Keywords

  • CMS
  • Quarkonium
  • Cross sections

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