Measurement of the t t-bar production cross section in pp collisions at sqrt(s) = 8 TeV in dilepton final states containing one tau lepton

BELFORTE, S.; CANDELISE, VIERI; CASARSA, M.; COSSUTTI, F.; DELLA RICCA, GIUSEPPE; GOBBO, B.; LA LICATA, CHIARA; MARONE, MATTEO; MONTANINO, DAMIANA; SCHIZZI, ANDREA; UMER, TOMO; ZANETTI, A.

doi:10.1016/j.physletb.2014.10.032

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 View the MathML sourcett¯→(ℓνℓ)(τντ)bb¯, where ℓ=e,μℓ=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 View the MathML sources=8 TeV. The measured cross section View the MathML sourceσtt¯=257±3 (stat)±24 (syst)±7 (lumi) pb, assuming a top-quark mass of 172.5 GeV, is consistent with the standard model prediction. Keywords

Titolo:	Measurement of the t t-bar production cross section in pp collisions at sqrt(s) = 8 TeV in dilepton final states containing one tau lepton
Autori:	BELFORTE S. CANDELISE, VIERI CASARSA M. COSSUTTI F. DELLA RICCA, GIUSEPPE GOBBO B. LA LICATA, CHIARA MARONE, MATTEO MONTANINO, DAMIANA SCHIZZI, ANDREA UMER, TOMO ZANETTI A. mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2014
Rivista:	PHYSICS LETTERS. SECTION B
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 View the MathML sourcett¯→(ℓνℓ)(τντ)bb¯, where ℓ=e,μℓ=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 View the MathML sources=8 TeV. The measured cross section View the MathML sourceσtt¯=257±3 (stat)±24 (syst)±7 (lumi) pb, assuming a top-quark mass of 172.5 GeV, is consistent with the standard model prediction. Keywords
Handle:	http://hdl.handle.net/11368/2796524
Digital Object Identifier (DOI):	http://dx.doi.org/10.1016/j.physletb.2014.10.032
URL:	http://www.sciencedirect.com/science/article/pii/S0370269314007552
Appare nelle tipologie:	1.1 Articolo in Rivista

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