The electronic width of the J/ψ meson and its product by the branching fractions of J/ψ meson decay to hadrons and electrons measured with the KEDR detector at the VEPP-4M e+e− collider have been reported in ref. [1].
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KEDR collaboration, Measurement Γee(J/ψ) with KEDR detector, JHEP 05 (2018) 119 [arXiv:1801.01958] [INSPIRE].
Particle Data Group collaboration, Review of Particle Physics, to be published in Frog. Theor. Exp. Phys. 2020 (2020) 083C01.
BES collaboration, A measurement of J/ψ decay widths, Phys. Lett. B 355 (1995) 374 [Erratum ibid. 363 (1995) 267] [INSPIRE].
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Addendum to: JHEP05(2018)119
ArXiv ePrint: 1801.01958
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Open Access . This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
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Anashin, V.V., Aulchenko, V.M., Baldin, E.M. et al. Addendum to: Measurement of Γee(J/ψ) with KEDR detector. J. High Energ. Phys. 2020, 112 (2020). https://doi.org/10.1007/JHEP07(2020)112
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DOI: https://doi.org/10.1007/JHEP07(2020)112