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Measurement of the CP asymmetry in b -> s gamma using a sum of exclusive final states

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Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prudent, X., Tisserand, V., Zghiche, A., Tico, J. Garra, Grauges, E. et al.
(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

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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:
DateEvent
24 October 2008Published
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

Data sourced from Thomson Reuters' Web of Knowledge

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