Normalizing inclusive rare B decays

Details Normalizing inclusive rare B decays Normalizing inclusive rare B decays

2008-05-02

arxiv.org/abs/0805.0271v3

Phys.Lett.B669:69-73,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 1 fig; minor numerical changes, text improved, matches version to appear in PLB

Scientific paper

10.1016/j.physletb.2008.09.046

The inclusive semileptonic branching ratio is often employed to normalize
other inclusive B decays. Using recent determinations of the non-perturbative
parameters of the Operator Product Expansion we compute the normalization
factor for the branching ratio of B->X_s gamma and find a few percent
enhancement with respect to previous determinations.

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