$\Delta \mathit S$ = 2 FORBIDDEN
Allowed in second-order weak interactions.
$\Gamma\mathrm {( {{\mathit \Xi}^{0}} \rightarrow {{\mathit p}} {{\mathit \mu}^{-}} {{\overline{\mathit \nu}}_{{\mu}}} )}$ $/$ $\Gamma\mathrm {(total)}$ $<1.3\times 10^{-3}$
$\Gamma\mathrm {( {{\mathit \Xi}^{0}} \rightarrow {{\mathit p}} {{\mathit e}^{-}} {{\overline{\mathit \nu}}_{{e}}} )}$ $/$ $\Gamma\mathrm {(total)}$ $<1.3\times 10^{-3}$
$\Gamma\mathrm {( {{\mathit \Xi}^{0}} \rightarrow {{\mathit p}} {{\mathit \pi}^{-}} )}$ $/$ $\Gamma\mathrm {(total)}$ $<8\times 10^{-6}$ CL=90.0%
$\Gamma\mathrm {( {{\mathit \Xi}^{-}} \rightarrow {{\mathit p}} {{\mathit \pi}^{-}} {{\mathit \mu}^{-}} {{\overline{\mathit \nu}}_{{\mu}}} )}$ $/$ $\Gamma\mathrm {(total)}$ $<4\times 10^{-4}$ CL=90.0%
$\Gamma\mathrm {( {{\mathit \Xi}^{-}} \rightarrow {{\mathit p}} {{\mathit \pi}^{-}} {{\mathit e}^{-}} {{\overline{\mathit \nu}}_{{e}}} )}$ $/$ $\Gamma\mathrm {(total)}$ $<4\times 10^{-4}$ CL=90.0%
$\Gamma\mathrm {( {{\mathit \Xi}^{-}} \rightarrow {{\mathit p}} {{\mathit \pi}^{-}} {{\mathit \pi}^{-}} )}$ $/$ $\Gamma\mathrm {(total)}$ $<4\times 10^{-4}$ CL=90.0%
$\Gamma\mathrm {( {{\mathit \Xi}^{-}} \rightarrow {{\mathit n}} {{\mathit \mu}^{-}} {{\overline{\mathit \nu}}_{{\mu}}} )}$ $/$ $\Gamma\mathrm {(total)}$ $<1.5\%$ CL=90.0%
$\Gamma\mathrm {( {{\mathit \Xi}^{-}} \rightarrow {{\mathit n}} {{\mathit e}^{-}} {{\overline{\mathit \nu}}_{{e}}} )}$ $/$ $\Gamma\mathrm {(total)}$ $<3.2\times 10^{-3}$ CL=90.0%
$\Gamma\mathrm {( {{\mathit \Xi}^{-}} \rightarrow {{\mathit n}} {{\mathit \pi}^{-}} )}$ $/$ $\Gamma\mathrm {(total)}$ $<1.9\times 10^{-5}$ CL=90.0%
$\Gamma\mathrm {( {{\mathit \Omega}^{-}} \rightarrow {{\mathit \Lambda}} {{\mathit \pi}^{-}} )}$ $/$ $\Gamma\mathrm {(total)}$ $<2.9\times 10^{-6}$ CL=90.0%