Observation of $a_0^0(980)$-$f_0(980)$ Mixing

M. Ablikim, M. N. Achasov, S. Ahmed +436

We report the first observation of $a_0^0(980)$-$f_0(980)$ mixing in the decays of $J/\psi \to \varphi f_0(980)\to \varphi a_0^0(980)\to \varphi \eta {\pi }^0$ and $χ_{c1}\to a^{0}_{0}(980)π^{0}\to f_{0}…