${{\boldsymbol \psi}{(3770)}}$ $\rightarrow$ ${{\boldsymbol J / \psi}}{{\boldsymbol \pi}^{+}}{{\boldsymbol \pi}^{-}}$ INSPIRE search

$\Gamma($ ${{\mathit \psi}{(3770)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{c1}}}$ $)/\Gamma($ ${{\mathit \psi}{(3770)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)$
$\Gamma_{99}/\Gamma_{4}$
M053R04
$\Gamma($ ${{\mathit \psi}{(3770)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{4}/\Gamma$
M053R4