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

Document type: Articulo

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 7TeV. 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 t¯t 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.

General information

Issue date: 5 de noviembre de 2013
Document language: English
Journal: Journal of High Energy Physics; vol. 2013, no. 31
Origin: Facultad de Ciencias Exactas
ISSN: 1029-8479
xmlui.dri2xhtml.METS-1.0.item-dc-subject: hadron-hadron scattering ; top physics ; top quark ; proton-proton collisions ; ATLAS detector
Subjects: Ciencias Exactas ; Física

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Created: 7 de agosto de 2019
Available since: 7 de agosto de 2019
Please, use one of this identificators(URI) for cite o linking this item:
  • http://sedici.unlp.edu.ar/handle/10915/78776
  • https://doi.org/10.1007/JHEP11(2013)031

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    Creative Commons Attribution 4.0 International (CC BY 4.0) Except where otherwise noted, this item's license is described as Creative Commons Attribution 4.0 International (CC BY 4.0)