Measurement of the product of the leptonic width of the J/ψ meson and the branching ratio for its decay to hadrons
Journal Article
·
· Physics of Atomic Nuclei
- Russian Academy of Sciences, Budker Institute of Nuclear Physics, Siberian Branch (Russian Federation)
A preliminary result of the KEDR/VEPP-4M experiment devoted to measuring the cross section for electron-positron annihilation to hadrons (e{sup +}e{sup −} → hadrons) in the energy region of J/ψ-resonance production is presented. The value found for the product of the J/ψ-meson width with respect to decay to electrons and the branching ratio for J/ψ-meson decay to hadrons is Γ{sub ee}B{sub h} = 4.67±0.04(stat.)± 0.22(syst.) keV.
- OSTI ID:
- 22472297
- Journal Information:
- Physics of Atomic Nuclei, Vol. 78, Issue 3; Other Information: Copyright (c) 2015 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7788
- Country of Publication:
- United States
- Language:
- English
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