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Measurement of the t[bar over t] production cross section in pp collisions at √s = 8 TeV in dilepton final states containing one τ lepton

Author(s)
Zhukova, Victoria; Zanetti, Marco; Yang, M.; Wyslouch, Boleslaw; Veverka, Jan; Velicanu, Dragos Alexandru; Sumorok, Konstanty C.; Stockli, Fabian; Stephans, George S. F.; Roland, Gunther M.; Roland, Christof E.; Ralph, Duncan Kelley; Paus, Christoph M. E.; Ma, Teng; Luckey, P. David, Jr.; Levin, A.; Lee, Y.-J.; Lai, Yue Shi; Klute, Markus; Gulhan, Doga Can; Goncharov, Maxim; Gomez-Ceballos, Guillelmo; Dutta, V.; Di Matteo, Leonardo; Chan, M.; Cali, Ivan Amos; Busza, Wit; Bauer, Gerry P.; Barbieri, R.; Apyan, Aram; ... Show more Show less
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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 t[bar over t] → (ℓν[subscript ℓ])(τν[subscript τ])b[bar over b], where ℓ = e,μ. The data sample corresponds to an integrated luminosity of 19.6 fb[superscript −1] collected with the CMS detector in proton–proton collisions at √s = 8 TeV. The measured cross section σ[subscript t [bar over t]] = 257 ± 3 (stat) ± 24 (syst) ± 7 (lumi) pb, assuming a top-quark mass of 172.5 GeV, is consistent with the standard model prediction.
Date issued
2014-10
URI
http://hdl.handle.net/1721.1/92582
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science; Massachusetts Institute of Technology. School of Science
Journal
Physics Letters B
Publisher
Elsevier
Citation
V. Khachatryan et al., “Measurement of the t[bar over t] Production Cross Section in Pp Collisions at √s = 8 TeV in Dilepton Final States Containing One τ Lepton.” Physics Letters B 739 (December 2014): 23–43.
Version: Final published version
ISSN
03702693

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