We present a search for decays of B mesons to final states with a b1 meson and a ρ or K*(892) meson. The search is based on a data sample consisting of 465 million BB̄ pairs collected by the BABAR 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 8.0×10-6 at the 90% confidence level, including systematic uncertainties.

Aubert, B., Karyotakis, Y., Lees, J., Poireau, V., Prencipe, E., Prudent, X., et al. (2009). Search for B-meson decays to b1ρ and b1K*. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 80(5) [10.1103/PhysRevD.80.051101].

Search for B-meson decays to b1ρ and b1K*

CARPINELLI, Massimo
Membro del Collaboration Group
;
2009

Abstract

We present a search for decays of B mesons to final states with a b1 meson and a ρ or K*(892) meson. The search is based on a data sample consisting of 465 million BB̄ pairs collected by the BABAR 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 8.0×10-6 at the 90% confidence level, including systematic uncertainties.
Articolo in rivista - Articolo scientifico
Scientifica
BABAR detector
English
Carpinelli Massimo (The BABAR Collaboration)
Aubert, B., Karyotakis, Y., Lees, J., Poireau, V., Prencipe, E., Prudent, X., et al. (2009). Search for B-meson decays to b1ρ and b1K*. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 80(5) [10.1103/PhysRevD.80.051101].
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