Perturbative corrections to semileptonic b decay distributions

Details Perturbative corrections to semileptonic b decay distributions Perturbative corrections to semileptonic b decay distributions

2005-03-08

arxiv.org/abs/hep-ph/0503083v2

Nucl.Phys.B719:77-102,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 pages, LaTex. A number of textual changes are added for clarity, a missing definition is provided

Scientific paper

10.1016/j.nuclphysb.2005.04.031

We compute O(alpha_s) and O(alpha_s^n beta_0^{n-1}) (BLM) corrections to the
five structure functions relevant for b->q l nu decays and apply the results to
the moments of a few distributions of phenomenological importance. We present
compact analytic one-loop formulae for the structure functions, with proper
subtraction of the soft divergence.

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