${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit \Sigma}^{-}}{{\mathit \gamma}}$ INSPIRE search

$\Gamma($ ${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit \Sigma}^{-}}{{\mathit \gamma}})/\Gamma($ ${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{-}})$
$\Gamma_{2}/\Gamma_{1}$
S022R9