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Measurement of Time-Dependent CP Asymmetries and the CP-Odd Fraction in the Decay B0→D*+D*-

Aubert, B. et al. (2005) Measurement of Time-Dependent CP Asymmetries and the CP-Odd Fraction in the Decay B0→D*+D*-. Physical Review Letters, 95 (15). p. 151804. ISSN 0031-9007

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Abstract

We present an updated measurement of time-dependent CP asymmetries and the CP-odd fraction in the decay B0→D*+D*- using 232×106BB̅ pairs collected by the BABAR detector at the SLAC PEP-II B factory. We determine the CP-odd fraction to be 0.125±0.044(stat)±0.007(syst). The time-dependent CP asymmetry parameters C+ and S+ are determined to be 0.06±0.17(stat)±0.03(syst) and -0.75±0.25(stat)±0.03(syst), respectively. The standard model predicts these parameters to be 0 and -sin⁡2β, respectively, in the absence of penguin amplitude contributions.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
Depositing User: Sharon Beastall
Date Deposited: 31 Mar 2011 11:13
Last Modified: 31 Mar 2011 11:13
URI: http://eprints.hud.ac.uk/id/eprint/9979

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