${{\boldsymbol Z}}$ $\rightarrow$ ${{\boldsymbol \nu}}{{\overline{\boldsymbol \nu}}}{{\boldsymbol \gamma}}{{\boldsymbol \gamma}}$ INSPIRE search

$\Gamma($ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit \nu}}{{\overline{\mathit \nu}}}{{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{63}/\Gamma$
S044R47