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

Abstract (data abstract)
CERN LHC. 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

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Measured and expected fiducial cross-sections.

• #### Table 2

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Data from Table 2. Observed and expected exclusion limits for the aQGC parameters at 95% CL, without any form factors.

• #### Table 3

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Data from Fig.4. Observed yields of four lepton invariant mass distribution. The last bin includes overflow.

• #### Table 4

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Data from Fig.4. Expected yields of four lepton invariant mass distribution for the EW ZZjj signal process. The last bin...

• #### Table 5

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Data from Fig.4. Expected yields of four lepton invariant mass distribution for the mixed EW-QCD qqZZjj background. The last bin...

• #### Table 6

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Data from Fig.4. Expected yields of four lepton invariant mass distribution for the mixed EW-QCD ggZZjj background. The last bin...

• #### Table 7

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Data from Fig.4. Expected yields of four lepton invariant mass distribution for the WWZ background. The last bin includes overflow.

• #### Table 8

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Data from Fig.4. Expected yields of four lepton invariant mass distribution for the ttZ background. The last bin includes overflow.

• #### Table 9

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Data from Fig.4. Expected yields of four lepton invariant mass distribution for the Z+X reducible background. The last bin includes...

Version 2 modifications: Added tables describing observed ans expected yields from Fig.4