Measurements of the Electroweak Diboson Production Cross Sections in Proton-Proton Collisions at s =5.02 TeV Using Leptonic Decays

CMS Collaboration, Freya Blekman, Emil Sørensen Bols, Jorgen D'Hondt, Jarne Theo De Clercq, Martin Delcourt, Hesham El Faham, Steven Lowette, Seth Moortgat, Alexander Morton, Denise Müller, Abanti Ranadhir Sahasransu, Stefaan Tavernier, Walter Van Doninck, Petra Van Mulders

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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=37.0-5.2+5.5(stat)-2.6+2.7(syst) pb, σWZ=6.4-2.1+2.5(stat)-0.3+0.5(syst) pb, and σZZ=5.3-2.1+2.5(stat)-0.4+0.5(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.

Original languageEnglish
Article numberA42
Number of pages19
JournalPhys. Rev. Lett.
Volume127
Issue number9
DOIs
Publication statusPublished - 2 Nov 2021

Bibliographical note

Replaced with the published version. Added the journal reference and the DOI. All the figures and tables, including additional supplementary figures and tables, can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/SMP-20-012 (CMS Public Pages)

Keywords

  • hep-ex

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