Known decays of Xi*-

(Only the first generation of decays, no cascades)

Final state Branching
$\Xi'^{-}_{}$ $\to$ $\Xi^{0}_{}$ $\pi^{-}_{}$ 6.6e-1
$\Xi'^{-}_{}$ $\to$ $\Xi^{-}_{}$ $\pi^{0}_{}$ 3.3e-1