In:
Journal of High Energy Physics, Springer Science and Business Media LLC, Vol. 2013, No. 11 ( 2013-11)
Kurzfassung:
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 $ t\overline{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 8 σ .
Materialart:
Online-Ressource
ISSN:
1029-8479
DOI:
10.1007/JHEP11(2013)031
Sprache:
Englisch
Verlag:
Springer Science and Business Media LLC
Publikationsdatum:
2013
ZDB Id:
2027350-2