${{\mathit \psi}{(4660)}}$ $\rightarrow$ ${{\mathit \Xi}^{-}}{{\overline{\mathit \Xi}}^{+}}$ INSPIRE search

$\Gamma($ ${{\mathit \psi}{(4660)}}$ $\rightarrow$ ${{\mathit \Xi}^{-}}{{\overline{\mathit \Xi}}^{+}})$ ${\times }$ $\Gamma($ ${{\mathit \psi}{(4660)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{20}\Gamma_{1}/\Gamma$
M189R11