A like-sign dimuon charge asymmetry at Tevatron induced by the anomalous top quark couplings

Details A like-sign dimuon charge asymmetry at Tevatron induced by the anomalous top quark couplings A like-sign dimuon charge asymmetry at Tevatron induced by the anomalous top quark couplings

2010-10-29

arxiv.org/abs/1010.6132v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 5 figures

Scientific paper

We show that the recently measured 3.2 $\sigma$ deviations of the charge asymmetry of like-sign dimuon events from the standard model prediction by the D0 collaboration at Tevatron can be explained by introducing the anomalous right-handed top quark couplings. Combined analysis with the $\bs$ and $\bd$ mixings and $B \to X_s \gamma$ decays has been performed. We discuss how to discriminate the effects on the dimuon charge asymmetry of the anomalous $\tsW$ and $\tbW$ couplings.

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