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Measurements of Branching Fraction, Polarization, and Charge Asymmetry of B±→ρ±ρ0 and a Search for B±→ρ±f0(980)

Aubert, B. et al. (2006) Measurements of Branching Fraction, Polarization, and Charge Asymmetry of B±→ρ±ρ0 and a Search for B±→ρ±f0(980). Physical Review Letters, 97 (26). p. 261801. ISSN 0031-9007

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Abstract

We measure the branching fraction (B), polarization (fL), and CP asymmetry (ACP) of B±→ρ±ρ0 decays and search for the decay B±→ρ±f0(980) based on a data sample of 231.8×106 Υ(4S)→BB̅ decays collected with the BABAR detector at the SLAC PEP-II asymmetric-energy B factory. In B±→ρ±ρ0 decays we measure B=(16.8±2.2±2.3)×10-6, fL=0.905±0.042-0.027+0.023, and ACP=-0.12±0.13±0.10, and find an upper limit on the branching fraction of B±→ρ±f0(980)(→π+π-) decays of 1.9×10-6 at 90% confidence level.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
Depositing User: Sharon Beastall
Date Deposited: 31 Mar 2011 13:24
Last Modified: 31 Mar 2011 13:24
URI: http://eprints.hud.ac.uk/id/eprint/9996

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