${{\mathit \psi}{(3770)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   Decay Mode Summary INSPIRE   PDGID:
M053.4
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{5}$ ${{\mathit \psi}{(3770)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ($1.93$ $\pm0.28$) $ \times 10^{-3}$ 561
The following data is related to the above value:
 ▸ expand all datablocks
$\Gamma($ ${{\mathit \psi}{(3770)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{c1}}}$ $)/\Gamma($ ${{\mathit \psi}{(3770)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)$
$\Gamma_{100}/\Gamma_{5}$
$\Gamma($ ${{\mathit \psi}{(3770)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{5}/\Gamma$