Branching fraction measurements of ψ(3686)γχcJ

M. Ablikim et al. (BESIII Collaboration)
Phys. Rev. D 96, 032001 – Published 14 August 2017

Abstract

Using a sample of 106 million ψ(3686) decays, the branching fractions of ψ(3686)γχc0, ψ(3686)γχc1, and ψ(3686)γχc2 are measured with improved precision to be (9.389±0.014±0.332)%, (9.905±0.011±0.353)%, and (9.621±0.013±0.272)%, respectively, where the first uncertainties are statistical and the second ones are systematic. The product branching fractions of ψ(3686)γχc1,χc1γJ/ψ and ψ(3686)γχc2,χc2γJ/ψ and the branching fractions of χc1γJ/ψ and χc2γJ/ψ are also presented.

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  • Received 2 March 2017

DOI:https://doi.org/10.1103/PhysRevD.96.032001

© 2017 American Physical Society

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Vol. 96, Iss. 3 — 1 August 2017

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