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Evidence for the decay X(3872) -> J/ψω
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BaBar Collaboration (Including: Gershon, T. J., Harrison, P. F., Latham, Thomas and Puccio, E. M. T.). (2010) Evidence for the decay X(3872) -> J/ψω. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.82 (No.1). 011101(R). doi:10.1103/PhysRevD.82.011101 ISSN 1550-7998.
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WRAP_Gershon_Evidence_decay.pdf - Published Version Available under License Creative Commons Attribution. Download (331Kb) |
Official URL: http://dx.doi.org/10.1103/PhysRevD.82.011101
Abstract
We present a study of the decays B-0,B-+ -> J/psi pi(+)pi(-)pi K-0(0,+), using 467 x 106 B (B) over bar pairs recorded with the BABAR detector. We present evidence for the decay mode X(3872) -> J/psi omega, with product branching fractions B(B+ -> X(3872K(+)) x B(X(3872) -> J/psi omega) = [0.6 +/- 0.2(stat) +/- 0.1(syst)] x 10(-5), and B(B-0 -> X(3872)K-0) x B(X(3872) -> J/psi omega) = [0.6 +/- 0.3(stat) +/- 0.1(syst)] x 10(-5). A detailed study of the pi(+) pi(-) pi(0) mass distribution from X(3872) decay favors a negative-parity assignment.
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