Search for B-meson decays to b1rho and b1K*

Details Search for B-meson decays to b1rho and b1K* Search for B-meson decays to b1rho and b1K*

2009-07-20

arxiv.org/abs/0907.3485v1

Phys.Rev.D80:051101,2009

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 1 postscript figure, submitted to Phys. Rev. D (Rapid Communications)

Scientific paper

10.1103/PhysRevD.80.051101

We present a search for decays of $B$ mesons to final states with a $b\_1$ meson and a $\rho$ or $K^*(892)$ meson. The search is based on a data sample consisting of 465 million $B\kern 0.18em{\kern -0.18em B}{}$ pairs collected by the {\slshape B\kern-0.1em{\smaller A}\kern-0.1em B\kern-0.1em{\smaller A\kern-0.2em R}} detector at the SLAC National Accelerator Laboratory. We do not observe any statistically significant signal. The upper limits we set on the branching fractions range from 1.4 to $8.0 \times 10^{-6}$ at the 90% confidence level (C.L.), including systematic uncertainties.

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