${{\mathit \psi}{(3770)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit X}}$   Decay Mode Summary INSPIRE   PDGID:
M053.235
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{4}$ ${{\mathit \psi}{(3770)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit X}}$ ($5.0$ $\pm2.2$) $ \times 10^{-3}$
The following data is related to the above value: