Measurement of the top quark charge in pp collisions at √s = 7 TeV with the ATLAS detector

Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/88553

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Type:	Journal article
Title:	Measurement of the top quark charge in pp collisions at √s = 7 TeV with the ATLAS detector
Other Titles:	Measurement of the top quark charge in pp collisions at root s = 7 TeV with the ATLAS detector
Author:	Jackson, P. Soni, N. White, M. ATLAS collaboration,
Citation:	The Journal of High Energy Physics, 2013; 2013(11):31-1-31-41
Publisher:	Springer
Issue Date:	2013
ISSN:	1029-8479 1029-8479
Statement of Responsibility:	The ATLAS collaboration
Abstract:	A measurement of the top quark electric charge is carried out in the ATLAS experiment at the Large Hadron Collider using 2.05 fb−1 of data at a centre-of-mass energy of 7 TeV. In units of the elementary electric charge, the top quark charge is determined to be 0.64 ± 0.02 (stat.) ± 0.08 (syst.) from the charges of the top quark decay products in single lepton tt¯ candidate events. This excludes models that propose a heavy quark of electric charge −4/3, instead of the Standard Model top quark, with a significance of more than 8σ.
Keywords:	Hadron-Hadron Scattering; Top physics
Rights:	Open Access, Copyright CERN, for the benefit of the ATLAS collaboration. This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
DOI:	10.1007/JHEP11(2013)031
Published version:	http://dx.doi.org/10.1007/JHEP11(2013)031
Appears in Collections:	Aurora harvest 2 Physics publications

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