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Measurement of the CP asymmetry in b-->sgamma using a sum of exclusive final states.

Abstract:
We perform a measurement of the CP asymmetry in b-->sgamma decays using a sample of 383 x 10(6) B[over] B 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).
Publication status:
Published

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Authors


Karyotakis, Y More by this author
Poireau, V More by this author
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Journal:
Physical review letters
Volume:
101
Issue:
17
Pages:
171804
Publication date:
2008-10-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:dde52cc5-5287-4bad-ac2c-d8c2288fe599
Source identifiers:
211260
Local pid:
pubs:211260
Language:
English
Keywords:

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