TTP03-07 Imprecated, yet impeccable: On the Theoretical Ecaluation of $\Gamma(B \to X_c \ell \nu)$

TTP03-07 Imprecated, yet impeccable: On the Theoretical Ecaluation of $\Gamma(B \to X_c \ell \nu)$
D. Benson, I. Bigi, T. Mannel, N Uraltsev
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TTP03-07 Imprecated, yet impeccable: On the Theoretical Ecaluation of Γ(B→Xcℓν)\Gamma(B \to X_c \ell \nu)