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Measurement of the Wγ and Zγ inclusive cross sections in pp collisions at √s =7 TeV and limits on anomalous triple gauge boson couplings

AutorChatrchyan, S.; Brochero Cifuentes, J. A. ; Cabrillo, I. J. ; Cabrillo, I. J. ; Calderon, Alicia ; Chuang, S. H. ; Duarte Campderros, J. ; Fernández, M. ; Gómez, G. ; González Sánchez, J. ; Graziano, A. ; Jorda, C. ; López Virto, A. ; Marco, Jesús ; Marco, Rafael ; Martínez-Rivero, Celso ; Matorras, Francisco ; Muñoz Sánchez, F. J. ; Rodrigo, Teresa ; Rodríguez Marrero, Ana Y. ; Ruiz Jimeno, Alberto ; Scodellaro, Luca ; Vila, Iván ; Vilar, Rocío ; CMS Collaboration
Fecha de publicación2014
EditorAmerican Physical Society
CitaciónPhysical Review D 89: 092005 (2014)
ResumenMeasurements of Wγ and Zγ production in proton-proton collisions at s=7TeV 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 5.0fb-1. The cross sections are measured for photon transverse momenta pTγ>15GeV, and for separations between photons and final-state charged leptons in the pseudorapidity-azimuthal plane of ΔR(,γ)>0.7 in νγ and γ final states, where refers either to an electron or a muon. A dilepton invariant mass requirement of m>50GeV is imposed for the Zγ process. No deviations are observed relative to predictions from the standard model, and limits are set on anomalous WWγ, ZZγ, and Zγγ triple gauge couplings. © 2014 CERN, for the CMS Collaboration.
DescripciónThis article is available under the terms of the Creative Commons Attribution 3.0 License.-- et al.
Versión del editorhttp://dx.doi.org/10.1103/PhysRevD.89.092005
URIhttp://hdl.handle.net/10261/110404
DOI10.1103/PhysRevD.89.092005
Identificadoresdoi: 10.1103/PhysRevD.89.092005
e-issn: 1550-2368
issn: 1550-7998
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