Abstract

A measurement of the production of a prompt J/ψ meson in association with a W± boson with W± → μν and J/ψ → μ+μ is presented for J/ψ transverse momenta in the range 8.5–150 GeV and rapidity |yJ/ψ| < 2.1 using ATLAS data recorded in 2012 at the LHC. The data were taken at a proton-proton centre-of-mass energy of s = 8 TeV and correspond to an integrated luminosity of 20.3 fb−1. The ratio of the prompt J/ψ plus W± cross-section to the inclusive W± cross-section is presented as a differential measurement as a function of J/ψ transverse momenta and compared with theoretical predictions using different double-parton-scattering cross-sections. [Figure not available: see fulltext.].

Original languageEnglish
Article number95
Number of pages38
JournalJournal of High Energy Physics
Volume2020
Issue number1
DOIs
Publication statusPublished - 1 Jan 2020

Keywords

  • Hadron-Hadron scattering (experiments)
  • QCD
  • PROMPT J/PSI

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