Polarization of tau leptons in semileptonic B decays

Details Polarization of tau leptons in semileptonic B decays Polarization of tau leptons in semileptonic B decays

1997-12-18

arxiv.org/abs/hep-ph/9712440v2

Nucl.Phys. B525 (1998) 350-368

Physics

High Energy Physics

High Energy Physics - Phenomenology

one footnote and one reference have been added; the paper is going to be published in Nucl. Phys. B

Scientific paper

10.1016/S0550-3213(98)00189-8

Analytic formulae for the one-loop order QCD corrections to the differential
width of the semileptonic b decay are given with the tau polarization taken
into account. Thence the polarization of tau is expressed by its energy and the
invariant mass of the tau + antineutrino system. The non-perturbative
corrections by Falk et al. are incorporated in the calculation.

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