Nonperturbative Corrections to the Heavy Lepton Energy Distribution in the Inclusive Decays $H_b\ra τ\barνX.$

Details Nonperturbative Corrections to the Heavy Lepton Energy Distribution in the Inclusive Decays $H_b\ra τ\barνX.$ Nonperturbative Corrections to the Heavy Lepton Energy Distribution in the Inclusive Decays $H_b\ra τ\barνX.$

1993-11-03

arxiv.org/abs/hep-ph/9311215v2

Phys.Rev. D49 (1994) 3379-3384

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 10 pages, 4 postscript figures included. Few typos corrected

Scientific paper

10.1103/PhysRevD.49.3379

Nonperturbative corrections up to $m_b^{-2}$ to the heavy lepton energy
distributions are investigated in the inclusive semileptonic weak decays of
heavy flavors in QCD. In the case of $B$-meson decays, for $b \ra u\tau\bnu$
transitions they decrease the decay rate by 6\% of its perturbative value,
while for $b \ra c\tau\bnu$ they decrease it by 10\%.

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