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Branching fractions and CP-violating asymmetries in radiative B decays to eta K gamma
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BABAR Collaboration (Including:
). (2009) Branching fractions and CP-violating asymmetries in radiative B decays to eta K gamma. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.79 (No.1). article no. 011102. doi:10.1103/PhysRevD.79.011102 Research output not available from this repository, contact author.
Official URL: http://dx.doi.org/10.1103/PhysRevD.79.011102
Abstract
We present measurements of the CP-violation parameters S and C for the radiative decay B-0 --> eta K-S(0)gamma; for B --> eta K gamma we also measure the branching fractions and for B+ --> K+gamma the time-integrated charge asymmetry A(ch). The data, collected with the BABAR detector at the Stanford Linear Accelerator Center, represent 465 x 10(6) B (B) over bar pairs produced in e(+)e(-) annihilation. The results are S = -0.18(-0.46)(+0.49) +/- 0.12, C = -0.32(-0.39)(+0.40) +/- 0.07, B(B-0 --> eta K-0 gamma) = (7.1(-2.0)(+2.1) +/- 0.4) x 10(-6), B(B+ --> eta K+gamma) = (7.7 +/- 1.0 +/- 0.4) x 10(-6), and A(ch) = (-9.0(-9.8)(+10.4)) x 10(-2). The first error quoted is statistical and the second systematic.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| 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 (Particles, Fields, Gravitation and Cosmology) | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 1550-7998 | ||||
| Official Date: | January 2009 | ||||
| Dates: |
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| Volume: | Vol.79 | ||||
| Number: | No.1 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | article no. 011102 | ||||
| DOI: | 10.1103/PhysRevD.79.011102 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Funder: | DOE (USA), NSF (USA), NSERC (Canada), CEA (France), CNRS-IN<INF>2</INF>P<INF>3</INF> (France), BMBF (Germany), DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MES (Russia), MEC (Spain), STFC (United Kingdom), Marie Curie EIF (European Union), A.P. Sloan Foundation |
Data sourced from Thomson Reuters' Web of Knowledge
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