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

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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) over bar 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 8 sigma.
Original languageUnknown
Pages (from-to)031
JournalJournal Of High Energy Physics
Issue number11
DOIs
Publication statusPublished - 1 Jan 2013

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