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

L. Koyrakh
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Abstract

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 $b \ra uτ\bnu$ transitions they decrease the decay rate by 6\% of its perturbative value, while for $b \ra cτ\bnu$ they decrease it by 10\%.

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L. Koyrakh. 1993-12-14. Nonperturbative Corrections to the Heavy Lepton Energy Distribution in the Inclusive Decays $H_b\ra τ\barνX.$. https://doi.org/10.1103/physrevd.49.3379

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