Radiative corrections to $b\to cτ\batν_τ$

Details Radiative corrections to $b\to cτ\batν_τ$ Radiative corrections to $b\to cτ\batν_τ$

1994-11-13

arxiv.org/abs/hep-ph/9411282v1

Phys.Lett.B346:335-341,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, latex, no figures

Scientific paper

10.1016/0370-2693(94)01681-2

Analytical calculation is presented of the QCD radiative corrections to the rate of the process $b\to c\tau\bar\nu_\tau$ and to the $\tau$ lepton longitudinal polarization in $\tau\bar\nu_\tau$ rest frame. The results are given in the form of one dimensional infrared finite integrals over the invariant mass of the leptons. We argue that this form may be optimal for phenomelogical applications due to a possible breakdown of semilocal hadron-parton duality in decays of heavy flavours.

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