Measurements of CP Violation in B Meson decays at Belle

Details Measurements of CP Violation in B Meson decays at Belle Measurements of CP Violation in B Meson decays at Belle

2011-09-22

arxiv.org/abs/1109.4780v1

Physics

High Energy Physics

High Energy Physics - Experiment

10 pages, 13 figures, 2 tables, to be published in the proceedings of the DPF-2011 Conference, Providence, RI, August 8-13, 20

Scientific paper

In this proceeding, we report the recent measurements of time-dependent CP violation in B meson decays from the Belle Collaboration. The Belle experiment stopped operation in June 2010 and collected nearly 772 x 10^6 B B-bar pairs at the \Upsilon(4S) resonance at the KEKB asymmetric-energy e^+e^- collider. We used this full data sample to measure the CP violation parameters in b->c c-bar s and b->c c-bar d decays. We also report new measurements of CPT violation parameters in B decays. Furthermore, we report the first observation of a new b->s radiative penguin decay B^0->\phi K^0 \gamma, as well as measurements of its time-dependent CP asymmetry.

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