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 τ lepton

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 isola...

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Detalles Bibliográficos
Autor principal: Aad, G.
Formato: JOUR
Materias:
Cross section
Lepton+τ
Top-quark physics
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_03702693_v717_n1-3_p89_Aad
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_03702693_v717_n1-3_p89_Aad
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spelling todo:paper_03702693_v717_n1-3_p89_Aad2023-10-03T15:29:23Z 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 τ lepton Aad, G. Cross section Lepton+τ Top-quark physics 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, σ tt¯ =186±13(stat)±20(syst.)±7(lumi.) pb, is in good agreement with the Standard Model prediction. © 2012 CERN JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_03702693_v717_n1-3_p89_Aad
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Cross section
Lepton+τ
Top-quark physics
spellingShingle Cross section
Lepton+τ
Top-quark physics
Aad, G.
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 τ lepton
topic_facet Cross section
Lepton+τ
Top-quark physics
description 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, σ tt¯ =186±13(stat)±20(syst.)±7(lumi.) pb, is in good agreement with the Standard Model prediction. © 2012 CERN
format JOUR
author Aad, G.
author_facet Aad, G.
author_sort Aad, G.
title 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 τ lepton
title_short 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 τ lepton
title_full 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 τ lepton
title_fullStr 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 τ lepton
title_full_unstemmed 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 τ lepton
title_sort 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 τ lepton
url http://hdl.handle.net/20.500.12110/paper_03702693_v717_n1-3_p89_Aad
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