${{\mathit \psi}{(4390)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \psi}{(3770)}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M236.3
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{}$ ${{\mathit \psi}{(4390)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \psi}{(3770)}}$ possibly seen 510
The following data is related to the above value:
$\Gamma({{\mathit \psi}{(4390)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \psi}{(3770)}})/\Gamma_{\text{total}}$
$\Gamma_{4}/\Gamma$