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Measurement of B decays to ϕKγ

Aubert, B. et al. (2007) Measurement of B decays to ϕKγ. Physical Review D, 75 (5). 051102. ISSN 1550-7998

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We search for the decays B-→ϕK-γ and B̅ 0→ϕK̅ 0γ in a data sample of 228×106 BB̅ pairs collected at the Υ(4S) resonance with the BABAR detector. We measure the branching fraction B(B-→ϕK-γ)=(3.5±0.6±0.4)×10-6 and set an upper limit B(B̅ 0→ϕK̅ 0γ)<2.7×10-6 at the 90% confidence level. We also measure the direct CP asymmetry in B-→ϕK-γ, ACP=(-26±14±5)%. The uncertainties are statistical and systematic, respectively.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
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Depositing User: Sharon Beastall
Date Deposited: 05 Jan 2012 09:47
Last Modified: 28 Aug 2021 11:13


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