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Experimental High Energy Physics

Publications

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

Publicaciones

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

Research areas:

Física Experimental de Alta Energía

Year:

2013

Type of Publication:

In Proceeding

Authors:

Journal:

JHEP

Volume:

1311

Pages:

42

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 ttbar 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.

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