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Branching fraction measurements of B+→ρ+γ, B0→ρ0γ, and B0→ωγ
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(2007) Branching fraction measurements of B+→ρ+γ, B0→ρ0γ, and B0→ωγ. Physical Review Letters, Vol.98 (No.15). Article: 151802. doi:10.1103/PhysRevLett.98.151802 ISSN 0031-9007.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.98.151802
Abstract
We present a study of the decays B+->rho(+)gamma, B-0 ->rho(0)gamma, and B-0 ->omega gamma. The analysis is based on data containing 347x10(6) B (B) over bar events recorded with the BABAR detector at the PEP-II asymmetric B factory. We measure the branching fractions B(B+->rho(+)gamma)=(1.10(-0.33)(+0.37)+/- 0.09)x10(-6) and B(B-0 ->rho(0)gamma)=(0.79(-0.20)(+0.22)+/- 0.06)x10(-6), and set a 90% C.L. upper limit B(B-0 ->omega gamma)< 0.78x10(-6). We also measure the isospin-averaged branching fraction B(B ->(rho/omega)gamma)=(1.25(-0.24)(+0.25)+/- 0.09)x10(-6), from which we determine vertical bar V-td/V-ts vertical bar=0.200(-0.020)(+0.021)+/- 0.015, where the first uncertainty is experimental and the second is theoretical.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Physical Review Letters | ||||
Publisher: | American Physical Society | ||||
ISSN: | 0031-9007 | ||||
Official Date: | 13 April 2007 | ||||
Dates: |
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Volume: | Vol.98 | ||||
Number: | No.15 | ||||
Number of Pages: | 7 | ||||
Page Range: | Article: 151802 | ||||
DOI: | 10.1103/PhysRevLett.98.151802 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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