- Abstract:
-
We present a measurement of the branching fraction and photon-energy spectrum for the decay B→Xsγ using data from the BABAR experiment. The data sample corresponds to an integrated luminosity of 210fb-1, from which approximately 680000 BB̄ events are tagged by a fully reconstructed hadronic decay of one of the B mesons. In the decay of the second B meson, an isolated high-energy photon is identified. We measure B(B→Xsγ)=(3. 66±0.85stat±0.60syst)×10-4 for photon energies Eγ above 1.9GeV in the...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1103/PhysRevD.77.051103
-
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- Journal:
- PHYSICAL REVIEW D
- Volume:
- 77
- Issue:
- 5
- Publication date:
- 2008-03-05
- DOI:
- EISSN:
-
1550-2368
- ISSN:
-
1550-7998
- URN:
-
uuid:a787f474-a311-492e-892d-21fa56e71d80
- Source identifiers:
-
211296
- Local pid:
- pubs:211296
- Language:
- English
- Copyright date:
- 2008
Journal article
Measurement of the B -> X-s gamma branching fraction and photon energy spectrum using the recoil method
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