Measurement of the underlying event activity in inclusive Z boson production in proton-proton collisions at √s=13 TeV

The CMS collaboration

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Abstract

This paper presents a measurement of the underlying event activity in proton-proton collisions at a center-of-mass energy of 13 TeV, performed using inclusive Z boson production events collected with the CMS experiment at the LHC. The analyzed data correspond to an integrated luminosity of 2.1 fb−1. The underlying event activity is quantified in terms of the charged particle multiplicity, as well as of the scalar sum of the charged particles’ transverse momenta in different topological regions defined with respect to the Z boson direction. The distributions are unfolded to the stable particle level and compared with predictions from various Monte Carlo event generators, as well as with similar CDF and CMS measurements at center-of-mass energies of 1.96 and 7 TeV respectively.[Figure not available: see fulltext.].

Original languageEnglish (US)
Article number32
JournalJournal of High Energy Physics
Volume2018
Issue number7
DOIs
StatePublished - Jul 1 2018

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Keywords

  • Event-by-event fluctuation
  • Hadron-Hadron scattering (experiments)
  • Minimum bias

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