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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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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute for Computational Science
Dewey Decimal Classification:530 Physics
Language:English
Date:2009
Deposited On:22 Feb 2010 12:00
Last Modified:05 Apr 2016 13:56
Publisher:Elsevier
ISSN:0550-3213
Publisher DOI:https://doi.org/10.1016/j.nuclphysb.2008.11.019
Related URLs:http://arxiv.org/abs/0810.1230

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Content: Accepted Version
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Size: 237kB