${{\boldsymbol \psi}{(4160)}}$ $\rightarrow$ ${{\boldsymbol \gamma}}{{\boldsymbol X}{(3940)}}$ $\rightarrow$ ${{\boldsymbol \gamma}}{{\boldsymbol \gamma}}{{\boldsymbol J / \psi}}$ INSPIRE search

$\Gamma($ ${{\mathit \psi}{(4160)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit X}{(3940)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit J / \psi}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{41}/\Gamma$
M025R41