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Measurement of the t¯t production cross section in pp collisions at √s = 7 TeV using the kinematic properties of events with leptons and jets


CMS Collaboration; Amsler, C; Chiochia, V; Snoek, H; Favaro, C; Verzetti, M; Schmitt, A; De Visscher, S; Otyugova, P; Millan, B; Ivova, M; Storey, J; Aguiló, E (2011). Measurement of the t¯t production cross section in pp collisions at √s = 7 TeV using the kinematic properties of events with leptons and jets. European Physical Journal C - Particles and Fields, 71(9):1721.

Abstract

A measurement of the tt production cross section in proton-proton collisions at a centre-of-mass energy of 7 TeV has been performed at the LHC with the CMS detector. The analysis uses a data sample corresponding to an integrated luminosity of 36 pb−1 and is based on the reconstruction of the final state with one isolated, high transverse-momentum electron or muon and three or more hadronic jets. The kinematic properties of the events are used to separate the tt signal from W+jets and QCD multijet background events. The measured cross section is 173+39−32 (stat+syst) pb, consistent with standard model expectations.

A measurement of the tt production cross section in proton-proton collisions at a centre-of-mass energy of 7 TeV has been performed at the LHC with the CMS detector. The analysis uses a data sample corresponding to an integrated luminosity of 36 pb−1 and is based on the reconstruction of the final state with one isolated, high transverse-momentum electron or muon and three or more hadronic jets. The kinematic properties of the events are used to separate the tt signal from W+jets and QCD multijet background events. The measured cross section is 173+39−32 (stat+syst) pb, consistent with standard model expectations.

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Additional indexing

Other titles:Measurement of the top-antitop production cross section in pp collisions at sqrt(s)=7 TeV using the kinematic properties of events with leptons and jets
Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2011
Deposited On:17 Feb 2012 15:12
Last Modified:05 Apr 2016 15:38
Publisher:Springer
ISSN:1434-6044 (P) 1434-6052 (E)
Additional Information:The original publication is available at www.springerlink.com
Publisher DOI:10.1140/epjc/s10052-011-1721-3
Related URLs:http://arxiv.org/abs/1106.0902
Permanent URL: http://doi.org/10.5167/uzh-59467

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