Measurement of the B0 -> K2*(1430)0 gamma and B+ -> K2*(1430)+ gamma branching fractions

Details Measurement of the B0 -> K2*(1430)0 gamma and B+ -> K2*(1430)+ gamma branching fractions Measurement of the B0 -> K2*(1430)0 gamma and B+ -> K2*(1430)+ gamma branching fractions

2004-09-13

arxiv.org/abs/hep-ex/0409035v1

Phys.Rev.D70:091105,2004

Physics

High Energy Physics

High Energy Physics - Experiment

4 pages, 4 figures

Scientific paper

10.1103/PhysRevD.70.091105

We have investigated the exclusive, radiative B meson decays to K2*(1430) in 89* 10^6 BBbar events with the BaBar detector at the PEP-II storage ring. We measure the branching fractions BR(B0 -> K2*(1430)0 gamma) = (1.22 +-0.25 +-0.10)*10^(-5) and BR(B+ -> K2*(1430)+ gamma) = (1.45 +-0.40 +-0.15) * 10^(-5), where the first error is statistical and the second systematic. In addition, we measure the CP-violating asymmetry ACP(B0 -> K2*(1430)0 gamma) = -0.08 +- 0.15 +- 0.01.

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