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Measurement of the top quark pair cross section with ATLAS in pp collisions at √s=7 TeV using final states with an electron or a muon and a hadronically decaying [tau] lepton

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A measurement of the cross section of top quark pair production in proton-proton collisions recorded with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 7 TeV is reported. The data sample used corresponds to an integrated luminosity of 2.05 fb−1. Events with an isolate...

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Autori principali: Aad, Georges (Autore) , Anders, Christoph (Autore) , Andrei, George Victor (Autore) , Davygora, Yuriy (Autore) , Dietzsch, Thorsten (Autore) , Geweniger, Christoph (Autore) , Hanke, Paul (Autore) , Kasieczka, Gregor (Autore) , Khomich, Andrei (Autore) , Kluge, Eike-Erik (Autore) , Kugel, Andreas (Autore) , Lendermann, Victor (Autore) , Lepold, Florian (Autore) , Männer, Reinhard (Autore) , Poddar, Sahill (Autore) , Schätzel, Sebastian (Autore) , Scharf, Veit (Autore) , Schmitt, Sebastian (Autore) , Schöning, André (Autore) , Schroer, Nicolai (Autore) , Schultz-Coulon, Hans-Christian (Autore) , Stamen, Rainer (Autore) , Wessels, Martin (Autore)
Ente Autore: ATLAS Collaboration (Autore)
Natura: Article (Journal)
Lingua:inglese
Pubblicazione: 18 September 2012
In: Physics letters
Year: 2012, Volume: 717, Fascicolo: 1, Pages: 89-108
ISSN:1873-2445
DOI:10.1016/j.physletb.2012.09.032
Accesso online:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1016/j.physletb.2012.09.032
Verlag, kostenfrei, Volltext: http://www.sciencedirect.com/science/article/pii/S0370269312009793
Testo
Note sull'autore:Atlas Collaboration*
Descrizione
Riassunto:A measurement of the cross section of top quark pair production in proton-proton collisions recorded with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 7 TeV is reported. The data sample used corresponds to an integrated luminosity of 2.05 fb−1. Events with an isolated electron or muon and a τ lepton decaying hadronically are used. In addition, a large missing transverse momentum and two or more energetic jets are required. At least one of the jets must be identified as originating from a b quark. The measured cross section, σtt¯=186±13(stat.)±20(syst.)±7(lumi.) pb, is in good agreement with the Standard Model prediction.
Descrizione del documento:Atlas Collaboration: G. Aad, C.F. Anders, V. Andrei, Y. Davygora, T.A. Dietzsch, C. Geweniger, P. Hanke, G. Kasieczk, A. Khomich, E.-E. Kluge, A. Kugel, V.Lendermann, F. Lepold, R. Maenner, S. Poddar, S. Schaetzel, V. Scharf, S. Schmitt, A. Schöning, N. Schroer, H.-C. Schultz-Coulon, R. Stamen, M. Wessels [und weitere]
Im Titel wird tau als griechischer Buchstabe dargestellt
Gesehen am 25.09.2018
Descrizione fisica:Online Resource
ISSN:1873-2445
DOI:10.1016/j.physletb.2012.09.032

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