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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. ISSN 0031-9007 Full text not available from this repository.
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 |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Journal or Publication Title: | Physical Review Letters |
| Publisher: | American Physical Society |
| ISSN: | 0031-9007 |
| Date: | 13 April 2007 |
| Volume: | Vol.98 |
| Number: | No.15 |
| Number of Pages: | 7 |
| Page Range: | Article: 151802 |
| Identification Number: | 10.1103/PhysRevLett.98.151802 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| URI: | http://wrap.warwick.ac.uk/id/eprint/32121 |
Data sourced from Thomson Reuters' Web of Knowledge
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