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A simple π-η-gh′ mixing model for R=Γ (ψ′ → ψπ)Γ(ψ′ → ψη) and r = Γ(ψ → η′γ)Γ(ψ → ηγ)

✍ Scribed by Ll. Ametller; C. Ayala; A. Bramon

No coin nor oath required. For personal study only.

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