Measurement of CP-Violating asymmetries in B-0 ->(DD -/+)-D-(*)+

B. Aubert, L.L. Zhang, S. Chen, W. Wang, J.M. Anderson, X.H. Li, M.A. Baak, G. Raven, H. Snoek, P. David, T. Hartmann, H. Schroder, H. Liu, N. van Bakel, A. Wagner

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We present updated measurements of CP-violating asymmetries in the decays B0→D*±D and B0→D+D- using (383±4) ×106BB̄ pairs collected by the BABAR detector at the SLAC PEP-II B factory. We determine the time-integrated CP asymmetry AD*±D=0. 12±0.06±0.02, and the time-dependent asymmetry parameters to be CD*+D-=0.18±0.15±0.04, SD*+D-=-0.79±0. 21±0.06, CD*-D+=0.23±0.15±0.04, SD*-D+=-0. 44±0.22±0.06, CD+D-=0.11±0.22±0.07, and SD+D-=-0.54±0.34±0.06, where the first uncertainty is statistical and the second is systematic. © 2007 The American Physical Society.
Original languageEnglish
JournalPhysical Review Letters
Issue number7
Publication statusPublished - 2007

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Measurement of CP-Violating asymmetries in B-0 ->(DD -/+)-D-(*)+


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