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Measurement of the CP asymmetry in b -> s gamma using a sum of exclusive final states
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(2008) Measurement of the CP asymmetry in b -> s gamma using a sum of exclusive final states. Physical Review Letters, Vol.101 (No.17). article no. 171804. doi:10.1103/PhysRevLett.101.171804 ISSN 0031-9007.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.101.171804
Abstract
We perform a measurement of the CP asymmetry in b -> s gamma decays using a sample of 383 x 10(6) B (B) over bar events collected by the BABAR detector at the SLAC PEP-II asymmetric B factory. We reconstruct 16 flavor-specific B decay modes containing a high-energy photon and a hadronic system X-s containing an s quark. We measure the CP asymmetry to be -0.011 +/- 0.030(stat) +/- 0.014(syst) for a hadronic system mass between 0.6 and 2.8 GeV/c(2).
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Journal or Publication Title: | Physical Review Letters | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 0031-9007 | ||||
| Official Date: | 24 October 2008 | ||||
| Dates: |
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| Volume: | Vol.101 | ||||
| Number: | No.17 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | article no. 171804 | ||||
| DOI: | 10.1103/PhysRevLett.101.171804 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Funder: | DOE and NSF (USA), NSERC (Canada), CEA and CNRS-IN2P3 (France), BMBF and 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 |
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