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Measurement of B decays to ϕKγ
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(2007) Measurement of B decays to ϕKγ. Physical Review D, Vol.75 (No.5). Article: 051102(R). doi:10.1103/PhysRevD.75.051102 ISSN 1550-7998.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.75.051102
Abstract
We search for the decays B-->phi K-gamma and (B) over bar (0)->phi(K) over bar (0)gamma in a data sample of 228x10(6) B (B) over bar pairs collected at the Upsilon(4S) resonance with the BABAR detector. We measure the branching fraction B(B-->phi K-gamma)=(3.5 +/- 0.6 +/- 0.4)x10(-6) and set an upper limit B((B) over bar (0)->phi($) over bar (0)gamma)< 2.7x10(-6) at the 90% confidence level. We also measure the direct CP asymmetry in B-->phi K-gamma, A(CP)=(-26 +/- 14 +/- 5)%. The uncertainties are statistical and systematic, respectively.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Physical Review D | ||||
Publisher: | American Physical Society | ||||
ISSN: | 1550-7998 | ||||
Official Date: | March 2007 | ||||
Dates: |
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Volume: | Vol.75 | ||||
Number: | No.5 | ||||
Number of Pages: | 8 | ||||
Page Range: | Article: 051102(R) | ||||
DOI: | 10.1103/PhysRevD.75.051102 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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