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Measurement of CP-Violating Asymmetries in B0→D(*)±D∓

Aubert, B. et al. (2007) Measurement of CP-Violating Asymmetries in B0→D(*)±D∓. Physical Review Letters, 99 (7). 071801. ISSN 0031-9007

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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)×106BB̅ 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.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
Depositing User: Sharon Beastall
Date Deposited: 01 Apr 2011 10:47
Last Modified: 28 Aug 2021 11:05


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