|V_{ub}| from the Spectrum of B->pi e nu

Details |V_{ub}| from the Spectrum of B->pi e nu |V_{ub}| from the Spectrum of B->pi e nu

2007-05-16

arxiv.org/abs/0705.2290v1

ECONFC070512:016,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

Proceedings of FPCP07, Bled, Slovenia

Scientific paper

I discuss the results for $|V_{ub}|f_+(0)$ and $|V_{ub}|$ obtained from the
spectrum of $B\to\pi e \nu$ and the form factor $f_+(q^2)$ from QCD sum rules
on the light-cone and unquenched lattice calculations; the shape of $f_+(q^2)$
is fixed from experimental data.

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