${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{-}}{{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{{e}}}}$  Decay Mode Summary INSPIRE   PDGID:
S022.11
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{12}$ ${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{-}}{{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{{e}}}}$ $<4 \times 10^{-4}$ CL= 90% 305
Category: $\Delta \mathit S$ = 2 forbidden ($\mathit S2$) modes
Note: (S2) Allowed in second-order weak interactions.
The following data is related to the above value:
$\Gamma($ ${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{-}}{{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{{e}}}})/\Gamma($ ${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{-}})$
$\Gamma_{12}/\Gamma_{1}$