Search for Anomalous Top-Quark Couplings with the D0 Detector

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Data

2009-03-06

Autores

Abazov, V. M.
Abbott, B.
Abolins, M.
Acharya, B. S.
Adams, M.
Adams, T.
Aguilo, E.
Ahsan, M.
Alexeev, G. D.
Alkhazov, G.

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Amer Physical Soc

Resumo

Anomalous Wtb couplings modify the angular correlations of the top-quark decay products and change the single top-quark production cross section. We present limits on anomalous top-quark couplings by combining information from W boson helicity measurements in top-quark decays and anomalous coupling searches in the single top-quark final state. We set limits on right-handed vector couplings as well as left-handed and right-handed tensor couplings based on about 1 fb(-1) of data collected by the D0 experiment.

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Physical Review Letters. College Pk: Amer Physical Soc, v. 102, n. 9, p. 7, 2009.