Measurements of the electroweak diboson production cross sections in proton-proton collisions at s = 5.02 TeV using leptonic decays
Abstract
The first measurements of diboson production cross sections in proton-proton interactions at a center-of-mass energy of 5.02 TeV are reported. They are based on data collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 302 pb-1. Events with two, three, or four charged light leptons (electrons or muons) in the final state are analyzed. The WW, WZ, and ZZ total cross sections are measured as σWW = 37.0 +5.5-5.2 (stat) +2.7-2.6 (syst) pb, σWZ = 6.4 +2.5-2.1 (stat) +0.5-0.3 (syst) pb, and σZZ = 5.3 +2.5-2.1 (stat) +0.5-0.4 (syst) pb. All measurements are in good agreement with theoretical calculations at combined next-to-next-to-leading order quantum chromodynamics and next-to-leading order electroweak accuracy.
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