Study of Cp Violation in B Mesons Using the Babar Detector

We present results on time-dependentCP asymmetries in neutralB decays. The measurements use a data sample of about 88 million Υ (4S) → BB decays collected between 1999 and 2002 with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. We study events in which one neutral B meson is fully reconstructed in a final state and the other B meson is determined to be either a B or B from its decay products. Final states considered include B → J/ψK S , B → J/ψK L , B → J/ψπ, B → DD, B → φK S , B → ππ, and B → ρπ. Supported in part by Department of Energy contract DE-AC03-76SF00515 TW01 SLACPUB-9712 April 2003 Presented at the 30th SLAC Summer Institute on Particle Physics: Secrets of the B Meson (SSI 2002), 8/5/2002 8/16/2002, Menlo Park, CA Stanford Linear Accelerator Center, Stanford University, Stanford, CA 94309