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Measurements of $W \gamma$ and $Z \gamma$ production in $pp$ collisions at $\sqrt{s}$=7  TeV with the ATLAS detector at the LHC

2013-06-04Artigo científico Acesso aberto
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dc.contributor.authorATLAS collaboration (2908 authors)
dc.contributor.authorAguilar-Saavedra, Juan Antonio
dc.contributor.authorAmor Dos Santos, Susana Patricia
dc.contributor.authorAnjos, Nuno
dc.contributor.authorCantrill, Robert
dc.contributor.authorCarvalho, João
dc.contributor.authorCastro, Nuno Filipe
dc.contributor.authorConde Muiño, Patricia
dc.contributor.authorDa Cunha Sargedas De Sousa, Mario Jose
dc.contributor.authorDo Valle Wemans, André
dc.contributor.authorFiolhais, Miguel
dc.contributor.authorGalhardo, Bruno
dc.contributor.authorGomes, Agostinho
dc.contributor.authorGonçalo, Ricardo
dc.contributor.authorJorge, Pedro
dc.contributor.authorLopes, Lourenco
dc.contributor.authorMachado Miguens, Joana
dc.contributor.authorMaio, Amélia
dc.contributor.authorManeira, José
dc.contributor.authorOliveira, Miguel Alfonso
dc.contributor.authorOnofre, António
dc.contributor.authorPalma, Alberto
dc.contributor.authorPina, João Antonio
dc.contributor.authorPinto, Belmiro
dc.contributor.authorSantos, Helena
dc.contributor.authorSaraiva, João
dc.contributor.authorSilva, José
dc.contributor.authorVeloso, Filipe
dc.contributor.authorWolters, Helmut
dc.date.accessioned2019-02-03T22:23:42Z
dc.date.available2019-02-03T22:23:42Z
dc.date.issued2013-06-04
dc.date.updated2019-02-03T22:23:42Z
dc.description.abstractThe integrated and differential fiducial cross sections for the production of a W or Z boson in association with a high-energy photon are measured using pp collisions at s=7  TeV. The analyses use a data sample with an integrated luminosity of 4.6  fb-1 collected by the ATLAS detector during the 2011 LHC data-taking period. Events are selected using leptonic decays of the W and Z bosons [W(eν,μν) and Z(e+e-,μ+μ-,νν¯)] with the requirement of an associated isolated photon. The data are used to test the electroweak sector of the Standard Model and search for evidence for new phenomena. The measurements are used to probe the anomalous WWγ, ZZγ, and Zγγ triple-gauge-boson couplings and to search for the production of vector resonances decaying to Zγ and Wγ. No deviations from Standard Model predictions are observed and limits are placed on anomalous triple-gauge-boson couplings and on the production of new vector meson resonances.
dc.description.versionPeer Reviewed
dc.identifierPhys.Rev. D91 (2015) 119901; DOI 10.1103/PhysRevD.87.112003, 10.1103/PhysRevD.91.119901
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevD.87.112003, 10.1103/PhysRevD.91.119901
dc.identifier.urihttp://hdl.handle.net/10400.26/26378
dc.language.isoeng
dc.titleMeasurements of $W \gamma$ and $Z \gamma$ production in $pp$ collisions at $\sqrt{s}$=7  TeV with the ATLAS detector at the LHC
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspt
rcaap.typearticle

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LIP - AP - Física de Partículas e Astropartículas