Measurements of forward-backward asymmetry in B --> K* l+ l- and evidence of B- --> tau- anti-nu

Details Measurements of forward-backward asymmetry in B --> K* l+ l- and evidence of B- --> tau- anti-nu Measurements of forward-backward asymmetry in B --> K* l+ l- and evidence of B- --> tau- anti-nu

2006-05-16

arxiv.org/abs/hep-ex/0605067v1

Physics

High Energy Physics

High Energy Physics - Experiment

Presented at 41th Rencontres de Moriond, Electroweak Interactions and Unified Theories, La Thuile, Italy, March 11 - 18, 2006

Scientific paper

We report the first measurement of the forward-backward asymmetry and the
ratios of Wilson coefficients in B --> K* l+ l- using 386 million BBbar pairs
that were collected on the Upsilon(4S) resonance with the Belle detector at the
KEKB asymmetric-energy e+e- collider. We also present the first evidence of the
decay B- --> tau- nu_tau-bar using 414 fb^-1 of data.

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