Physics at BABAR

Details Physics at BABAR Physics at BABAR

2001-01-20

arxiv.org/abs/hep-ex/0101035v1

Physics

High Energy Physics

High Energy Physics - Experiment

14 pages, 8 figures (in 12 eps files), 5 tables, submitted to RADCOR-2000, Carmel, September 11-15, 2000

Scientific paper

The BABAR detector at the SLAC PEP-II asymmetric e+e- collider has first started collecting data in May 1999. A study of time-dependent CP-violating asymmetries in B0 --> J/psi K0S and B0 --> psi(2S) K0S decays has been performed on a data sample of 9.0fb-1 taken at the Y(4S) resonance and 0.8fb-1 off-resonance, collected through July 2000. The preliminary result sin2beta = 0.12+/-0.37 (stat) +/- 0.09 (syst) is presented here, together with preliminary results on neutral and charged B meson lifetimes and B0B0bar mixing.

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