General Analysis of Single Top Production and W Helicity in Top Decay

Details General Analysis of Single Top Production and W Helicity in Top Decay General Analysis of Single Top Production and W Helicity in Top Decay

2005-03-04

arxiv.org/abs/hep-ph/0503040v3

Phys.Lett.B631:126-132,2005; AIP Conf.Proc.792:591-594,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

Typo on Eqs. 5 and 6 corrected

Scientific paper

10.1016/j.physletb.2005.10.002

We provide a framework for the analysis of the W boson helicity in the decay of the top quark that is based on a general effective tbW coupling. Four independent coupling coefficients can be uniquely determined by the fractions of longitudinal and transverse W boson polarizations as well as the single top production rates for the t-channel and the s-channel processes. The knowledge of these coefficients can be used to discriminate models of electroweak symmetry breaking.

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