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Measurements of branching fractions for B+ -> rho(+)gamma, B-0 -> rho(0)gamma, and B-0 -> omega gamma
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(2008) Measurements of branching fractions for B+ -> rho(+)gamma, B-0 -> rho(0)gamma, and B-0 -> omega gamma. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.78 (No.11). article no. 112001. ISSN 1550-7998 Full text not available from this repository.
Official URL: http://dx.doi.org/10.1103/PhysRevD.78.112001
Abstract
We present branching fraction measurements for the radiative decays B+-> rho(+)gamma, B-0 -> rho(0)gamma, and B-0 -> omega gamma. The analysis is based on a data sample of 465 X 10(6) B (B) over bar events collected with the BABAR detector at the PEP-II asymmetric-energy B Factory located at the Stanford Linear Accelerator Center. We find B(B+ -> rho(+)gamma) = (1.20(-0.37)(+0.42) +/- 0.20) X 10(-6), B(B-0 -> rho(0)gamma) = (0.97(-0.22)(+0.24) +/- 0.06) X 10(-6), and a 90% C.L. upper limit B(B-0 -> omega gamma) < 0.9 X 10(-6), where the first error is statistical and the second is systematic. We also measure the isospin-violating quantity Gamma(B+ -> rho(+)gamma)/2 Gamma(B-0 -> rho(0)gamma) - 1 = -0.43 (+0.25)(-0.22) +/- 0.10.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Journal or Publication Title: | Physical Review D (Particles, Fields, Gravitation and Cosmology) |
| Publisher: | American Physical Society |
| ISSN: | 1550-7998 |
| Official Date: | December 2008 |
| Volume: | Vol.78 |
| Number: | No.11 |
| Number of Pages: | 11 |
| Page Range: | article no. 112001 |
| Identification Number: | 10.1103/PhysRevD.78.112001 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/28700 |
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