Measurements of p p → Z Z production cross sections and constraints on anomalous triple gauge couplings at √s=13TeV

CMS Collaboration

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13 Citations (Scopus)

Abstract

The production of Z boson pairs in proton–proton (p p) collisions, p p → (Z / γ) (Z / γ) → 2 ℓ2 ℓ, where ℓ, ℓ= e or μ , is studied at a center-of-mass energy of 13TeV with the CMS detector at the CERN LHC. The data sample corresponds to an integrated luminosity of 137fb-1, collected during 2016–2018. The Z Z production cross section, σtot(pp→ZZ)=17.4±0.3(stat)±0.5(syst)±0.4(theo)±0.3(lumi) pb, measured for events with two pairs of opposite-sign, same-flavor leptons produced in the mass region 60<mℓ+ℓ-<120GeV is consistent with standard model predictions. Differential cross sections are also measured and agree with theoretical predictions. The invariant mass distribution of the four-lepton system is used to set limits on anomalous Z Z Z and Z Z γ couplings.

Original languageEnglish
Article number200
JournalEuropean Physical Journal C
Volume81
Issue number3
DOIs
Publication statusPublished - 2021 Mar

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)

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