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

$\Gamma($ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}$ X$)/\Gamma_{\text{total}}$
$\Gamma_{24}/\Gamma$
S044R23