Kinetic operator effects in (B)over-bar → Xclv at O(αs)

We compute the O(alpha(s)) corrections to the Wilson coefficient of the kinetic operator in inclusive semileptonic B decays. Our analytic calculation agrees with reparameterization invariance and with previous numerical results and paves the way to the calculation of analogous corrections to other power-suppressed coefficients. (C) 2013 Elsevier B.V. All rights reserved.