Linear sigma model predictions for V → S γ and S → V γ decays

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Abstract

The radiative decays V → S γ and S → V γ with V = ρ, ω, φ{symbol} and S = a0, σ, f0 are calculated within the framework of the Linear Sigma Model. Current experimental data on the φ{symbol} → f0 γ and ρ → σ γ branching ratios and the ratio Γ (φ{symbol} → f0 γ) / Γ (φ{symbol} → a0 γ) are satisfactorily accommodated in our approach. We also estimate the decay widths of the f0, a0 → ρ γ, ω γ transitions. All the processes considered are of interest for ongoing experimental programs in Frascati, Jülich and Novosibirsk. © 2008 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)27-31
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume670
Issue number1
DOIs
Publication statusPublished - 4 Dec 2008

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