Title
Measurement of the <tex>$W\gamma$</tex> and <tex>$Z\gamma$</tex> inclusive cross sections in pp collisions at <tex>$\sqrt{s}$</tex> = 7 TeV and limits on anomalous triple gauge boson couplings Measurement of the <tex>$W\gamma$</tex> and <tex>$Z\gamma$</tex> inclusive cross sections in pp collisions at <tex>$\sqrt{s}$</tex> = 7 TeV and limits on anomalous triple gauge boson couplings
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Lancaster, Pa ,
Subject
Physics
Source (journal)
Physical review : D : particles and fields. - Lancaster, Pa, 1970 - 2003
Volume/pages
89(2014) :9 , 32 p.
ISSN
0556-2821
Article Reference
092005
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Measurements of W gamma and Z gamma production in proton-proton collisions at root s = 7 TeV are used to extract limits on anomalous triple gauge couplings. The results are based on data recorded by the CMS experiment at the LHC that correspond to an integrated luminosity of 5.0 fb(-1). The cross sections are measured for photon transverse momenta p(T)(gamma) > 15 GeV, and for separations between photons and final-state charged leptons in the pseudorapidity-azimuthal plane of Delta R(l,gamma) > 0.7 in l nu gamma and ll gamma final states, where l refers either to an electron or a muon. A dilepton invariant mass requirement of m(ll) > 50 GeV is imposed for the Z gamma process. No deviations are observed relative to predictions from the standard model, and limits are set on anomalous WW gamma, ZZ gamma, and Z gamma gamma triple gauge couplings.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/e087d8/7674.pdf
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