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Evidence for the decay X(3872)→J/ψω

del Amo Sanchez, P. et al. (2010) Evidence for the decay X(3872)→J/ψω. Physical Review D, 82 (1). 011101. ISSN 1550-7998

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Abstract

We present a study of the decays B0,+→J/ψπ+π-π0K0,+, using 467×106 BB̅ pairs recorded with the BABAR detector. We present evidence for the decay mode X(3872)→J/ψω, with product branching fractions B(B+→X(3872)K+)×B(X(3872)→J/ψω)=[0.6±0.2(stat)±0.1(syst)]×10-5, and B(B0→X(3872)K0)×B(X(3872)→J/ψω)=[0.6±0.3(stat)±0.1(syst)]×10-5. A detailed study of the π+π-π0 mass distribution from X(3872) decay favors a negative-parity assignment.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
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Depositing User: Sharon Beastall
Date Deposited: 05 Jul 2011 11:40
Last Modified: 05 Jul 2011 11:40
URI: http://eprints.hud.ac.uk/id/eprint/10873

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