Evidence for the Decay B+- --> K*+- pi0

Details Evidence for the Decay B+- --> K*+- pi0 Evidence for the Decay B+- --> K*+- pi0

2005-04-06

arxiv.org/abs/hep-ex/0504009v2

Phys.Rev.D71:111101,2005

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 4 postscript figures, minor revisions, version as accepted by Phys Rev D - Rapid Comm

Scientific paper

10.1103/PhysRevD.71.111101

We have measured the process B+- --> (K*+- --> K+- pi0) pi0 based on 232 million Y(4S) --> BBbar decays collected with the BaBar detector at the PEP-II asymmetric-energy B Factory at SLAC. From a signal yield of 89 +- 26 events we obtain the branching fraction BR(B+- --> K*+- pi0)=[6.9 +- 2.0 (stat) +- 1.3 (syst)] x10^-6 with a statistical significance of 3.6 standard deviations including systematic uncertainties, and a charge asymmetry of 0.04 +- 0.29 (stat) +- 0.05 (syst).

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