Measurements of Electroweak Penguin Processes b->d,s gamma and b->sl+l- at Belle

Details Measurements of Electroweak Penguin Processes b->d,s gamma and b->sl+l- at Belle Measurements of Electroweak Penguin Processes b->d,s gamma and b->sl+l- at Belle

2004-06-22

arxiv.org/abs/hep-ex/0406059v1

Physics

High Energy Physics

High Energy Physics - Experiment

6 pages 4 figures Latex, proceedings for the Moriond Electroweak 2004 Conference

Scientific paper

We report the measurements of electroweak penguin processes b->d,s gamma and b->sl+l- at the Belle experiment. The analyses are based on 152 million BB-bar events collected at the Upsilon(4S) resonance with the Belle detector at the KEKB e+e- asymmetric-energy collider. The b->d gamma transition is studied through exclusive decays: B0->rho0 gamma, B0->omega gamma and B+ ->rho+ gamma. We apply fully inclusive and semi-inclusive reconstruction to b->s gamma and b->sl+l- processes, respectively. The results on the exclusive b->d gamma and semi-inclusive b->sl+l- measurements are preliminary.

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