Study of the ρ and ω meson decays into a pseudoscalar meson and e+e− pair with the CMD-2 detector

Using 3.3 pb−1 of data collected with the CMD-2 detector in the 720–840 MeV c.m. energy range, the branching fraction of the conversion decay ω → π 0 e + e − has been measured: B ( ω → π 0 e + e − ) = ( 8.19 ± 0.71 ± 0.62 ) × 10 −4 . The upper limits for the branching fractions of the following conversion decays have been obtained at the 90% confidence level: B ( ρ → π 0 e + e − ) 1.6 × 10 −5 , B ( ρ → η e + e − ) 0.7 × 10 −5 and B ( ω → η e + e − ) 1.1 × 10 −5 .