Semileptonic decays of polarised top quarks: V + A admixture and QCD corrections

Details Semileptonic decays of polarised top quarks: V + A admixture and QCD corrections Semileptonic decays of polarised top quarks: V + A admixture and QCD corrections

2003-08-28

arxiv.org/abs/hep-ph/0308296v1

Phys.Lett. B582 (2004) 32-38

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 2 figures, Latex

Scientific paper

10.1016/j.physletb.2003.12.010

The semileptonic decays of polarised top quarks are analysed for a general chirality-conserving tbW vertex. We calculate double differential distributions for the charged lepton and the neutrino to order \alpha_s in the QCD coupling. We present these QCD corrections in terms of compact parameterisations that should be useful for the future investigation of the structure of the top decay vertex on the basis of large data samples.

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