arXiv:hep-ph/9903226·v1·High Energy Physics — Phenomenology
The second order QCD contribution to the semileptonic b -> u decay rate
T. van Ritbergen (Karlsruhe U.)🇩🇪
Abstract
The order alpha_s^2 contribution to the inclusive semileptonic decay width of a b quark \Gamma(b -> X_u e \bar{\nu}_e) is calculated analytically for zero mass u quarks.
Comments: 10 pages, 1 figure