CP violation in B decays at the BaBar experiment

Details CP violation in B decays at the BaBar experiment CP violation in B decays at the BaBar experiment

2001-10-31

arxiv.org/abs/hep-ex/0110081v1

BABAR-PROC-01/63, SLAC-PUB-9040

Physics

High Energy Physics

High Energy Physics - Experiment

8 pages, 8 postscript figures, submitted to proceedings of the 24th Int. Workshop on Fundamental Problems in HEP and Field The

Scientific paper

The BaBar detector and SLAC PEP-II asymmetric e+e- collider tuned to the Y(4s) resonance has collected around 23M B0 anti-B0 pairs in year 2000. The total data sample for run 1 is 20.7fb-1, using this data we present the study of sin2beta, with samples of B0 --> J/Psi KOS, B0 --> psi(2S) K0S and B0 --> J/Psi KOL decays. The measured value is sin2beta 0.34+/-0.20 (stat) +/- 0.05 (syst),. In addition, we present preliminary measurements of charged and neutral B meson lifetimes and B0-anti B0 oscillation frequency.

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