Measurement of Wγ and Zγ production in proton-proton collisions at √s = 7 TeV with the ATLAS detector
Entity
UAM. Departamento de Física TeóricaPublisher
SISSA 2011; Springer VerlagDate
2011-09-14Citation
10.1007/JHEP09(2011)072
Journal of High Energy Physics 2011.9 (2011): 072
ISSN
1126-6708 (print); 1029-8479 (online)DOI
10.1007/JHEP09(2011)072Editor's Version
http://dx.doi.org/10.1007/JHEP09(2011)072Subjects
Hadron-hadron scattering; FísicaNote
Artículo escrito por un elevado número de autores, solo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiere, y los autores pertenecientes a la UAMJournal of High Energy Physics 2011.9 (2011): 072 reproduced by permission of Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Rights
© SISSA 2011Abstract
We present studies of W and Z bosons with associated high energy photons produced in pp collisions at √s = 7TeV. The analysis uses 35 pb -1 of data collected by the ATLAS experiment in 2010. The event selection requires W and Z bosons decaying into high pT leptons (electrons or muons) and a photon with ET > 15 GeV separated from the lepton(s) by a distance ΔR(l, γ ) > 0.7 in η-φ space. A total of 95 (97) pp → e±vy + X (pp →μ± νγ + X) and 25 (23) pp → e+e-γ + X (pp → μ+μ -γ + X) event candidates are selected. The kinematic distributions of the leptons and photons and the production cross sections are measured. The data are found to agree with Standard Model predictions that include next-to-leading-order O(ααs) contributions
Files in this item
Google Scholar:ATLAS Collaboration
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Aad, G.
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Barreiro Alonso, Fernando
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Cantero, J.
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de la Torre, H.
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Peso Malagón, José del
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Glasman Kuguel, Claudia Beatriz
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Labarga Echeverría, Luis Alfonso
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Lagouri, T.
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Llorente Merino, J.
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March, Luis
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Nebot, Eduardo
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Rodier, Stephane
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Terrón Cuadrado, Juan
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