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Measurement of CP observables for the decays B±→DCP0K*±

Aubert, B. et al. (2005) Measurement of CP observables for the decays B±→DCP0K*±. Physical Review D, 72 (7). 071103. ISSN 1550-7998

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Abstract

Using a sample of 232×106 Υ(4S)→BB̅ events collected with the BABAR detector at the PEP-II B Factory in 1999–2004, we study B-→D0K*(892)- decays where K*-→KS0π- and D0→K-π+, K-π+π0, K-π+π+π- (non-CP final states); K+K-, π+π- (CP+ eigenstates); KS0π0, KS0ϕ, and KS0ω (CP- eigenstates). We measure four observables that are sensitive to the angle γ of the CKM unitarity triangle; the partial-rate charge asymmetries ACP± and the ratios of the B-decay branching fraction in CP± and non-CP decays RCP±: ACP+=-0.08±0.19(stat)±0.08(syst), ACP-=-0.26±0.40(stat)±0.12(syst), RCP+=1.96±0.40(stat)±0.11(syst), and RCP-=0.65±0.26(stat)±0.08(syst).

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
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Depositing User: Sharon Beastall
Date Deposited: 30 Jun 2011 13:08
Last Modified: 30 Jun 2011 13:08
URI: http://eprints.hud.ac.uk/id/eprint/10855

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