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Distribution amplitudes of the Λb baryon in QCD

URN to cite this document:
urn:nbn:de:bvb:355-epub-135557
Ball, Patricia ; Braun, Vladimir M. ; Gardi, Einan
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Date of publication of this fulltext: 15 Mar 2010 13:24



Abstract

The QCD description of exclusive decays of the Λb baryon involves hadronic matrix elements of non-local light ray operators, the light-cone distribution amplitudes. We introduce the complete set of three-quark distribution amplitudes and calculate the renormalization scale dependence for the leading twist. At leading order in the strong coupling the evolution is driven by pairwise two-quark ...

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