Measurement of differential cross sections in the kinematic angular variable ϕ * for inclusive Z boson production in pp collisions at √s=8 TeV

The CMS Collaboration

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Abstract

Measurements of differential cross sections dσ/dϕ* and double-differential cross sections d2σ/dϕ*d|y| for inclusive Z boson production are presented using the dielectron and dimuon final states. The kinematic observable ϕ* correlates with the dilepton transverse momentum but has better resolution, and y is the dilepton rapidity. The analysis is based on data collected with the CMS experiment at a centre-of-mass energy of 8 TeV corresponding to an integrated luminosity of 19.7 fb−1. The normalised cross section (1/σ) dσ/dϕ*, within the fiducial kinematic region, is measured with a precision of better than 0.5% for ϕ* < 1. The measurements are compared to theoretical predictions and they agree, typically, within few percent.[Figure not available: see fulltext.]

Original languageEnglish (US)
Article number172
JournalJournal of High Energy Physics
Volume2018
Issue number3
DOIs
StatePublished - Mar 1 2018

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Keywords

  • Hadron-Hadron scattering (experiments)
  • Particle correlations and fluctuations
  • proton-proton scattering

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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