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

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

2006-12-15

arxiv.org/abs/hep-ph/0612190v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at CKM06

Scientific paper

I discuss the results for $|V_{ub}|$ obtained from $B\to\pi e \nu$ using 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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