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Measurement of electroweak production of a W boson in association with two jets in proton-proton collisions at √s=13TeV (CROSBI ID 290135)

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(CMS Collaboration) Sirunyan, Albert M ; ... ; Antunović, Željko ; Brigljević, Vuko ; Ferenček, Dinko ; Godinović, Nikola ; Kadija, Krešo ; Kovač, Marko ; Lelas, Damir ; Luetić, Jelena et al. Measurement of electroweak production of a W boson in association with two jets in proton-proton collisions at √s=13TeV // European physical journal C : particles and fields, 80 (2020), 1; 43, 46. doi: 10.1140/epjc/s10052-019-7585-7

Podaci o odgovornosti

Sirunyan, Albert M ; ... ; Antunović, Željko ; Brigljević, Vuko ; Ferenček, Dinko ; Godinović, Nikola ; Kadija, Krešo ; Kovač, Marko ; Lelas, Damir ; Luetić, Jelena ; Majumder, Devdatta ; Mesić, Benjamin ; Puljak, Ivica ; Roguljić, Matej ; Starodumov, Andrey ; Đurić, Senka ; Šuša, Tatjana ; Šćulac, Toni ; ... ; Woods, Nathaniel

CMS Collaboration

engleski

Measurement of electroweak production of a W boson in association with two jets in proton-proton collisions at √s=13TeV

A measurement is presented of electroweak (EW) production of a W boson in association with two jets in proton–proton collisions at s√=13TeV. The data sample was recorded by the CMS Collaboration at the LHC and corresponds to an integrated luminosity of 35.9fb−1. The measurement is performed for the ℓνjj final state (with ℓν indicating a lepton–neutrino pair, and j representing the quarks produced in the hard interaction) in a kinematic region defined by invariant mass mjj>120GeV and transverse momenta pTj>25GeV. The cross section of the process is measured in the electron and muon channels yielding σEW(Wjj)=6.23±0.12(stat)±0.61(syst)pb per channel, in agreement with leading-order standard model predictions. The additional hadronic activity of events in a signal-enriched region is studied, and the measurements are compared with predictions. The final state is also used to perform a search for anomalous trilinear gauge couplings. Limits on anomalous trilinear gauge couplings associated with dimension-six operators are given in the framework of an effective field theory. The corresponding 95% confidence level intervals are −2.3<cWWW/Λ2<2.5TeV−2, −8.8<cW/Λ2<16TeV−2, and −45<cB/Λ2<46TeV−2. These results are combined with the CMS EW Zjj analysis, yielding the constraint on the cWWW coupling: −1.8<cWWW/Λ2<2.0TeV−2

High energy physics ; Experimental particle physics ; LHC ; CMS ; Particle Physics Experiments ; Physics ; Vector boson scattering ; Hadron-Hadron scattering (experiments) ; Supersymmetry ; Higgs physics ; Particle and resonance production ; B physics ; Particle correlations and fluctuations ; Quarkonium ; Elementary Particles and Fields ; Beyond Standard Model ; Jets ; QCD ; Top physics ; Diboson ; Electroweak ; CKM matrix ; Top quark ; Large detector-systems performance ; Pattern recognition

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Podaci o izdanju

80 (1)

2020.

43

46

objavljeno

1434-6044

1434-6052

10.1140/epjc/s10052-019-7585-7

Povezanost rada

Fizika

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