Two-loop QCD correction to differential semi-leptonic b --> u decays in the shape-function region

Beneke, M; Huber, T; Li, X Q (2009). Two-loop QCD correction to differential semi-leptonic b --> u decays in the shape-function region. Nuclear Physics. Section B, 811(1-2):77-97.

Abstract

We calculate the two-loop QCD correction to the form factors of on-shell b-quark decay to an energetic massless quark, which constitutes the last missing piece required for an View the MathML source determination of |Vub| from inclusive semi-leptonic View the MathML source decays in the shape-function region.

Abstract

We calculate the two-loop QCD correction to the form factors of on-shell b-quark decay to an energetic massless quark, which constitutes the last missing piece required for an View the MathML source determination of |Vub| from inclusive semi-leptonic View the MathML source decays in the shape-function region.

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