Measurement of vector boson scattering and constraints on anomalous quartic couplings from events with four leptons and two jets in proton-proton collisions at sqrt(s) = 13 TeV

The CMS collaboration
Phys.Lett.B 774 (2017) 682-705, 2017.

Abstract (data abstract)
A measurement of vector boson scattering and constraints on anomalous quartic gauge couplings from events with two Z bosons and two jets are presented. The analysis is based on a data sample of proton-proton collisions at √s= 13 TeV collected with the CMS detector and corresponding to an integrated luminosity of 35.9 fb−1. The measurement is performed in the decay channel where each Z boson decays to either a pair of electrons or a pair of muons. The fiducial region is defined as: ptLepton > 5 GeV, |etaLepton|< 2.5,pTj1 > 30 GeV, |etaj1| < 4.7, pTj2 > 30 GeV, |etaj2|< 4.7, mjj > 100 GeV.

  • Table 1


    Measured and expected fiducial cross-sections.

  • Table 2


    Observed and expected exclusion limits for the aQGC parameters at 95% CL, without any form factors.

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