2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/44381Productions of scalar meson in the decays of J/ψ-->ω+σ, J/ψ-->γ+σand ψ(2s)-->ω+σ, γ+σand ee^+ annihilations in the regions of J/ψand ψ(2s) are studied.18 pages and 9 figuresHigh Energy Physics - Phenomenologytext