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We report on a measurement of the top-quark electric charge in t (t) over bar events in which one W boson originating from the top-quark pair decays into leptons and the other into hadrons. The event sample was collected by the CDF II detector in root s = 1.96 TeV proton-antiproton collisions and corresponds to 5.6 fb(-1). We find the data to be consistent with the standard model and exclude the existence of an exotic quark with -4/3 electric charge and mass of the conventional top quark at the 99% confidence level.

Exclusion of exotic top-like quarks with-4/3 electric charge using jet-charge tagging in single-lepton t(t)over-bar events at CDF / T., A., S., A., D., A., A., A., A., A., J., A., G., A., J. a., A., T., A., A., A., J., A., W., A., B., A., A., A., F., A., W., B., T., B., A., B.G., V. e., B., B. a., B., et al.. - In: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY. - ISSN 1550-7998. - 88:(2013), p. 032003. [10.1103/physrevd.88.032003]

Exclusion of exotic top-like quarks with-4/3 electric charge using jet-charge tagging in single-lepton t(t)over-bar events at CDF

BAUCE, MATTEO;GIAGU, Stefano;IORI, Maurizio;MARGAROLI, Fabrizio;
2013

Abstract

We report on a measurement of the top-quark electric charge in t (t) over bar events in which one W boson originating from the top-quark pair decays into leptons and the other into hadrons. The event sample was collected by the CDF II detector in root s = 1.96 TeV proton-antiproton collisions and corresponds to 5.6 fb(-1). We find the data to be consistent with the standard model and exclude the existence of an exotic quark with -4/3 electric charge and mass of the conventional top quark at the 99% confidence level.
2013
01 Pubblicazione su rivista::01a Articolo in rivista
Exclusion of exotic top-like quarks with-4/3 electric charge using jet-charge tagging in single-lepton t(t)over-bar events at CDF / T., A., S., A., D., A., A., A., A., A., J., A., G., A., J. a., A., T., A., A., A., J., A., W., A., B., A., A., A., F., A., W., B., T., B., A., B.G., V. e., B., B. a., B., et al.. - In: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY. - ISSN 1550-7998. - 88:(2013), p. 032003. [10.1103/physrevd.88.032003]
01a Articolo in rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/555826
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