Article,

Charm Quark Mass Dependence of QCD Corrections to Nonleptonic Inclusive B Decays

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(Sep 20, 1994)

Abstract

We calculate the radiative corrections to the nonleptonic inclusive B decay mode \$bcu d\$ taking into account the charm quark mass. Compared to the massless case, corrections resulting from a nonvanishing c quark mass increase the nonleptonic rate by (4--8)\%, depending on the renormalization point. As a by--product of our calculation, we obtain an analytic expression for the radiative correction to the semileptonic decay \$bu\tau\bar\nu\$ taking into account the \$\tau\$ lepton mass, and estimate the c quark mass effects on the nonleptonic decay mode \$b\rightarrow cc s\$.

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