CP Violation, Mixing and Lifetime Results from BaBar

Details CP Violation, Mixing and Lifetime Results from BaBar CP Violation, Mixing and Lifetime Results from BaBar

2003-09-09

arxiv.org/abs/hep-ex/0309035v1

Nucl.Phys.Proc.Suppl. 121 (2003) 235-238

Physics

High Energy Physics

High Energy Physics - Experiment

4 pages, 2 ps figures, talk presented at QCD02, Montpellier

Scientific paper

10.1016/S0920-5632(03)01855-3

The BaBar collaboration has analysed 60M BB_ pairs collected at the Upsilon (4S) resonance at the PEP II asymetric collider at SLAC. Using this data sample we have measured the CP violation parameters sin (2beta)=0.75+/- 0.09 (STAT) +/-0.04 (SYST) and lambda =0.92+/- 0.06 (STAT) +/- 0.02 (SYST) from B0 to cc_+K*0 + c.c. decays. From charmless 2-body B decays we measure A_Kpi =-0.05 +/- 0.06 +/- 0.01(-0.14,+0.05), S_pipi = -0.01 +/- 0.37 +/- 0.07(-0.66,+0.62), C_pipi =-0.02 +/- 0.29 +/- 0.07(-0.54,+0.48). A number of B lifetime and mixing parameters, extracted from subsamples of this data set, are also presented.

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