Search for B-meson decays to b1rho and b1K* - High Energy Physics - Experiment

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Abstract: We present a search for decays of $B$ mesons to final states with a $b\ 1$meson and a $ho$ or $K^*892$ meson. The search is based on a data sampleconsisting of 465 million $B\kern 0.18em{\kern -0.18em B}{}$ pairs collected bythe {\slshape B\kern-0.1em{\smaller A}\kern-0.1em B\kern-0.1em{\smallerA\kern-0.2em R}} detector at the SLAC National Accelerator Laboratory. We donot observe any statistically significant signal. The upper limits we set onthe branching fractions range from 1.4 to $8.0 \times 10^{-6}$ at the 90%confidence level C.L., including systematic uncertainties.

Autor: The BABAR Collaboration: B. Aubert, et al

Fuente: https://arxiv.org/