${{\boldsymbol \psi}{(4160)}}$ $\rightarrow$ ${{\boldsymbol J / \psi}}{{\boldsymbol \eta}^{\,'}}$ INSPIRE search

$\Gamma($ ${{\mathit \psi}{(4160)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}^{\,'}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{22}/\Gamma$
M025R06