${{\boldsymbol \phi}{(1020)}}$ $\rightarrow$ invisible INSPIRE search

$\Gamma($ ${{\mathit \phi}{(1020)}}$ $\rightarrow$ invisible$)/\Gamma($ ${{\mathit \phi}{(1020)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}$ $)$
$\Gamma_{32}/\Gamma_{1}$
M004R02