Measurement of the cross section for top-quark pair production in pp collisions at √s = 7 TeV with the ATLAS detector using final states with two high-pT leptons The ATLAS
Entity
UAM. Departamento de Física TeóricaPublisher
Springer Verlag; SISSA 2012Date
2012-05-14Citation
10.1007/JHEP05(2012)059
Journal of High Energy Physics 2012.5 (2012): 059
ISSN
1029-8479 (online); 1126-6708 (print)DOI
10.1007/JHEP05(2012)059Editor's Version
http://dx.doi.org/10.1007/JHEP05(2012)059Subjects
Hadron-hadron scattering; FísicaNote
Journal of High Energy Physics 2012.5 (2012): 059 reproduced by permission of Scuola Internazionale Superiore di Studi Avanzati (SISSA)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 UAM
Rights
© SISSA 2012; © CERNAbstract
A measurement is reported of the production cross section of top-quark pairs (tt̅) in proton-proton collisions at a center-of-mass energy of 7 TeV recorded with the ATLAS detector at the LHC. Candidate events have a signature consistent with containing two isolated leptons, large missing transverse momentum, and at least two jets. Using a data sample corresponding to an integrated luminosity of 0.70 fb-1, a tt̄ production cross section σtt̄ = 176 ± 5(stat.)-11+14 11+(syst.) ± 8(lum.) pb is measured for an assumed top-quark mass of mt = 172.5 GeV. This measurement is in good agreement with Standard Model predictions
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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Terrón Cuadrado, Juan
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