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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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Main Authors: Aad, Georges (Author) , Anders, Christoph (Author) , Andrei, George Victor (Author) , Davygora, Yuriy (Author) , Dietzsch, Thorsten (Author) , Geweniger, Christoph (Author) , Hanke, Paul (Author) , Kasieczka, Gregor (Author) , Khomich, Andrei (Author) , Kluge, Eike-Erik (Author) , Kugel, Andreas (Author) , Lendermann, Victor (Author) , Lepold, Florian (Author) , Männer, Reinhard (Author) , Poddar, Sahill (Author) , Schätzel, Sebastian (Author) , Scharf, Veit (Author) , Schmitt, Sebastian (Author) , Schöning, André (Author) , Schroer, Nicolai (Author) , Schultz-Coulon, Hans-Christian (Author) , Stamen, Rainer (Author) , Wessels, Martin (Author)
Corporate Author: ATLAS Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 18 September 2012
In: Physics letters
Year: 2012, Volume: 717, Issue: 1, Pages: 89-108
ISSN:1873-2445
DOI:10.1016/j.physletb.2012.09.032
Online Access: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
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Author Notes:Atlas Collaboration*
Description
Summary: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.
Item Description: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
Physical Description:Online Resource
ISSN:1873-2445
DOI:10.1016/j.physletb.2012.09.032

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