| | Mode | Fraction (Γi / Γ) | Scale factor |
|
| Γ1 | ${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{-}}$ | ($99.887$ $\pm0.035$) $ \times 10^{-2}$ | |
| Γ2 | ${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit \Sigma}^{-}}{{\mathit \gamma}}$ | ($1.27$ $\pm0.23$) $ \times 10^{-4}$ | |
| Γ3 | ${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{{e}}}}$ | ($5.63$ $\pm0.31$) $ \times 10^{-4}$ | |
| Γ4 | ${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \mu}^{-}}{{\overline{\mathit \nu}}_{{{\mu}}}}$ | ($3.5$ ${}^{+3.5}_{-2.2}$) $ \times 10^{-4}$ | |
| Γ5 | ${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit \Sigma}^{0}}{{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{{e}}}}$ | ($8.7$ $\pm1.7$) $ \times 10^{-5}$ | |