${{\boldsymbol Z}}$ $\rightarrow$ ${{\boldsymbol J / \psi}{(1S)}}{{\boldsymbol \gamma}}$ INSPIRE search

$\Gamma($ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{25}/\Gamma$
S044R03