Kinetic operator effects in B-> X_c l nu at O(alpha_s)

preprint2021arXivOpen access

Abstract

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.

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