Perturbative QCD corrections to inclusive lepton distributions from semileptonic $b \to cτ\barν_τ$ decays

Details Perturbative QCD corrections to inclusive lepton distributions from semileptonic $b \to cτ\barν_τ$ decays Perturbative QCD corrections to inclusive lepton distributions from semileptonic $b \to cτ\barν_τ$ decays

1996-09-13

arxiv.org/abs/hep-ph/9609352v1

Acta Phys.Polon.B27:3603-3613,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 3 embedded postscript figures, LaTeX, uses revtex, epsf. Talk given at the XXXVI Cracow School of Theoretical Physic

Scientific paper

Perturbative corrections of the order of $\alpha_s$ to inclusive double differential lepton distribution from $b$ quark decay are considered. A perturbative correction to the charged lepton energy spectrum has been calculated for an arbitrary charged lepton mass. The perturbative contribution suppresses the partial rate but almost does not change the shape of energy distribution. Applications of our result to semileptonic B meson decays are briefly discussed.

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