Recent Results on Radiative Penguin and Leptonic B Decays at Babar

Details Recent Results on Radiative Penguin and Leptonic B Decays at Babar Recent Results on Radiative Penguin and Leptonic B Decays at Babar

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006fuin.conf..266m&link_type=abstract

FUNDAMENTAL INTERACTIONS. Proceedings of the 21st Lake Louise Winter Institute. Held 17-23 February 2006 in Lake Louise, Alberta

Physics

Scientific paper

We present recent results on purely leptonic and electroweak penguin decays of the B meson based on data samples of up to 232 million Bbar {B} pairs collected by the BABAR experiment at the PEP-II B-Factory at SLAC. We present measurements of the branching fraction, the direct CP violating asymmetry, and photon energy spectrum of B → Xsγ decays using both a fully inclusive lepton-tagged technique as well as a sum of exclusive final states. Also included are results on the decay rates and asymmetries for the decays B → K(*) ℓ+ℓ-. Finally, we present a search for the fully-leptonic decay B+ → τ+ντ.

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