The $\varphi (1020)\to {\pi }^0{\pi }^0\gamma$ decay

M. N. Achasov, S. E. Baru, K. I. Beloborodov +27

In the SND experiment at VEPP-2M $e^{+}{e}^{-}$ collider the $\varphi (1020)\to {\pi }^0{\pi }^0\gamma$ decay was studied and its branching ratio was measured: $B(ϕ\toπ^0π^0γ)=(1.221\pm 0.098\pm0.061)\cdot10^{…