%0 Journal Article
%T Pade-Improved Estimate of Perturbative Contributions to Inclusive Semileptonic $b\to u$ Decays
%A T. G. Steele
%A M. R. Ahmady
%A F. A. Chishtie
%A V. Elias
%J Physics
%D 2000
%I arXiv
%R 10.1142/S0217751X01007686
%X Pade-approximant methods are used to estimate the three-loop perturbative contributions to the inclusive semileptonic $b \to u$ decay rate. These improved estimates of the decay rate reduce the theoretical uncertainty in the extraction of the CKM matrix element $|V_{ub}|$ from the measured inclusive semileptonic branching ratio.
%U http://arxiv.org/abs/hep-ph/0010045v1