The second order QCD contribution to the semileptonic b -> u decay rate
arXiv:hep-ph/9903226 · doi:10.1016/S0370-2693(99)00407-4
Abstract
The order alpha_s^2 contribution to the inclusive semileptonic decay width of a b quark Γ(b -> X_u e \barν_e) is calculated analytically for zero mass u quarks.
10 pages, 1 figure