Theory of the endpoint region of exclusive rare B decays

Details Theory of the endpoint region of exclusive rare B decays Theory of the endpoint region of exclusive rare B decays

2004-10-28

arxiv.org/abs/hep-ph/0410377v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, talk presented at ICHEP04, Beijing, China, August 2004

Scientific paper

In the ratio of ratios of rates for radiative and semileptonic decays of B
and D to K* and rho mesons the non-computable form factors mostly cancel out.
The resulting method for the determination of Vub is largely free of hadronic
uncertainties, raising the prospect of a precise determination of Vub.

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