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Evidence for Charged B Meson Decays to a1±(1260)π0 and a10(1260)π±

Aubert, B. et al. (2007) Evidence for Charged B Meson Decays to a1±(1260)π0 and a10(1260)π±. Physical Review Letters, 99 (26). p. 261801. ISSN 0031-9007

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Abstract

We present measurements of the branching fractions for the decays B±→a1±(1260)π0 and B±→a10(1260)π± from a data sample of 232×106 BB̅ pairs produced in e+e- annihilation through the Υ(4S) resonance. We measure the branching fraction B(B±→a1±(1260)π0)×B(a1±(1260)→π-π+π±)=(13.2±2.7±2.1)×10-6 with a significance of 4.2σ, and the branching fraction B(B±→a10(1260)π±)×B(a10(1260)→π-π+π0)=(20.4±4.7±3.4)×10-6 with a significance of 3.8σ, where the first error quoted is statistical and the second is systematic.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
Depositing User: Sharon Beastall
Date Deposited: 30 Mar 2011 10:07
Last Modified: 30 Mar 2011 10:07
URI: http://eprints.hud.ac.uk/id/eprint/9957

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