Measurement of the Branching Fraction for B^+ --> K^{*0} pi^+

Details Measurement of the Branching Fraction for B^+ --> K^{*0} pi^+ Measurement of the Branching Fraction for B^+ --> K^{*0} pi^+

2001-09-07

arxiv.org/abs/hep-ex/0109007v1

Physics

High Energy Physics

High Energy Physics - Experiment

14 pages, 2 figures, contributed paper to the 9th Heavy Flavor Symposium

Scientific paper

We present a preliminary result of the branching fraction for the B meson decay to the final state K^+pi^-pi^+ via an intermediate K^{*0} resonance using the sample of approximately 23 million B-anti-B mesons produced at the Upsilon(4S) resonance with the BABAR detector at the PEP II e+e- collider. The K^{*0} was detected through the decay to the final state K^+pi^-. The result of this analysis is BF(B^+ --> K^{*0} pi^+) = (15.5 +/- 3.4 +/- 1.8) x 10^{-6} where the first error is statistical and the second is systematic.

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