Study of the $\rho$, $\omega$, $\varphi \to \eta \gamma \to 7\gamma$ Decays with an SND Detector on a VEPP-2M Collider

M. N. Achasov, S. E. Baru, K. I. Beloborodov +25

The $e^{+}{e}^{-}\to \eta \gamma \to 7\gamma$ process was studied in the energy range $2E=600÷1060$ MeV with an SND detector on a VEPP-2M $e^{+}{e}^{-}$ collider. The decay branching ratios $B(ϕ\toηγ)=(1.343\…