Tau lepton distributions in semileptonic B decays

Details Tau lepton distributions in semileptonic B decays Tau lepton distributions in semileptonic B decays

1997-01-23

arxiv.org/abs/hep-ph/9701358v1

Nucl.Phys. B501 (1997) 207-223

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, LaTeX (uses epsf.sty, fleqn macro), submitted to Nuclear Physics B. A Fortran version of the formulae given in this

Scientific paper

10.1016/S0550-3213(97)00341-6

Analytic formulae are given for order alpha_s perturbative QCD corrections to the double differential distribution of the tau lepton energy and the invariant mass of the tau + antineutrino system in semileptonic decays of the bottom quark. The corresponding distribution for B meson decays are obtained by combining these results and the nonperturbative QCD corrections calculated by Falk et al. The moments of the energy distribution of the tau lepton are calculated.

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