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Measurement of B -> K-*(892)gamma branching fractions and CP and isospin asymmetries
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BABAR Collaboration (Including:
). (2009) Measurement of B -> K-*(892)gamma branching fractions and CP and isospin asymmetries. Physical Review Letters, Vol.103 (No.21). article no. 211802 . ISSN 0031-9007 Full text not available from this repository.
Official URL: http://dx.doi.org/10.1103/PhysRevLett.103.211802
Abstract
We present an analysis of the decays B-0 -> K-*0(892)gamma and B+-> K*+(892)gamma using a sample of about 383x10(6) BB events collected with the BABAR detector at the PEP-II asymmetric energy B factory. We measure the branching fractions B(B-0 -> K-*0 gamma)=(4.47 +/- 0.10 +/- 0.16)x10(-5) and B(B+-> K*+gamma)=(4.22 +/- 0.14 +/- 0.16)x10(-5). We constrain the direct CP asymmetry to be -0.033 < A(B -> K-*gamma)< 0.028 and the isospin asymmetry to be 0.017 <Delta(0-)< 0.116, where the limits are determined by the 90% confidence interval and include both the statistical and systematic uncertainties.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Journal or Publication Title: | Physical Review Letters |
| Publisher: | American Physical Society |
| ISSN: | 0031-9007 |
| Date: | 20 November 2009 |
| Volume: | Vol.103 |
| Number: | No.21 |
| Number of Pages: | 7 |
| Page Range: | article no. 211802 |
| Identification Number: | 10.1103/PhysRevLett.103.211802 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | DOE, NSF (U. S.), NSERC (Canada), CEA, CNRS-IN2P3 (France), BMBF, 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 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/16921 |
Data sourced from Thomson Reuters' Web of Knowledge
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