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Measurement of the tt¯ production cross section in pp collisions at s√=8 TeV in dilepton final states containing one τ lepton


Khachatryan, V; Sirunyan, A M; Tumasyan, A; Canelli, F; Amsler, C; Chiochia, V; De Cosa, A; Hinzmann, A; Hreus, T; Kilminster, B; Lange, C; Millan Mejias, B; Ngadiuba, J; Robmann, P; Ronga, F J; Taroni, S; Verzetti, M; Yang, Y (2014). Measurement of the tt¯ production cross section in pp collisions at s√=8 TeV in dilepton final states containing one τ lepton. Physics Letters B, 739:23-43.

Abstract

The top-quark pair production cross section is measured in final states with one electron or muon and one hadronically decaying τ lepton from the process tt¯→(ℓνℓ)(τντ)bb¯ , where ℓ=e,μ . The data sample corresponds to an integrated luminosity of 19.6 fb −1 collected with the CMS detector in proton–proton collisions at s=8 TeV . The measured cross section σtt¯=257±3 (stat)±24 (syst)±7 (lumi) pb , assuming a top-quark mass of 172.5 GeV, is consistent with the standard model prediction.

Abstract

The top-quark pair production cross section is measured in final states with one electron or muon and one hadronically decaying τ lepton from the process tt¯→(ℓνℓ)(τντ)bb¯ , where ℓ=e,μ . The data sample corresponds to an integrated luminosity of 19.6 fb −1 collected with the CMS detector in proton–proton collisions at s=8 TeV . The measured cross section σtt¯=257±3 (stat)±24 (syst)±7 (lumi) pb , assuming a top-quark mass of 172.5 GeV, is consistent with the standard model prediction.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2014
Deposited On:05 Dec 2014 14:13
Last Modified:07 Sep 2017 08:31
Publisher:Elsevier
ISSN:0370-2693
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1016/j.physletb.2014.10.032

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