Radiative decays of ρ and ω mesons

Abstract

The results of the measurements of radiative decays of ρ and ω mesons with the Neutral Detector at the e+e- collider VEPP-2M are presented. The branching ratio of the decay ω→π0γ was measured with higher than in previous experiments accuracy: {Mathematical expression}. The ρ0→π0γ branching ratio was measured for the first time: {Mathematical expression}. The decays ρ, ω→ηγ were studied. Their branching ratios with the assumption of constructive ρ-ω interference are: {Mathematical expression}. The branching ratios of ρ, ω→ηγ and ω→e+e- decays were also measured: {Mathematical expression}. The upper limit for the ω→π0π0γ branching ratio was placed: B(ω→π0π0γ)<4·10-4 at 90% confidence level. © 1989 Springer-Verlag.