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- W2076374310 abstract "We calculate the semileptonic branching fraction and charm yield from inclusive $B$ decays using the formalism of perturbative QCD. For nonleptonic decays, we employ the modified factorization theorem, in which Wilson coefficients evolve with the characteristic scales of the decay modes. It is found that the decay rate of the single-charm mode $stackrel{ensuremath{rightarrow}}{b}cifmmode bar{u}else ={u}fi{}d$ is enhanced, and a lower ${B}_{mathrm{SL}}$ is obtained without increasing ${n}_{c}.$ This conclusion differs from the usual one, where the $stackrel{ensuremath{rightarrow}}{b}coverline{c}s$ mode is increased. Our result for the $B$ meson lifetime is also consistent with the data." @default.
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- W2076374310 date "1998-09-30" @default.
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- W2076374310 title "PQCD study of theBSLandnccontroversy in inclusiveBdecays" @default.
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- W2076374310 doi "https://doi.org/10.1103/physrevd.58.094019" @default.
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