${{\mathit \Sigma}^{-}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \mu}^{-}}{{\overline{\mathit \nu}}_{{\mu}}}$   Decay Mode Summary INSPIRE   PDGID:
S020.3
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{4}$ ${{\mathit \Sigma}^{-}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \mu}^{-}}{{\overline{\mathit \nu}}_{{\mu}}}$ ($4.5$ $\pm0.4$) $ \times 10^{-4}$ 210
The following data is related to the above value:
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$\Gamma($ ${{\mathit \Sigma}^{+}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \ell}^{+}}{{\mathit \nu}}$ $)/\Gamma($ ${{\mathit \Sigma}^{-}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \ell}^{-}}{{\overline{\mathit \nu}}_{{{{\mathit \ell}}}}}$ $)$
($\Gamma^{#p{Sigma+}}_{6}$+ $\Gamma^{#p{Sigma+}}_{7})/(\Gamma_{3}$+ $\Gamma_{4}$)
$\Gamma($ ${{\mathit \Sigma}^{-}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \mu}^{-}}{{\overline{\mathit \nu}}_{{\mu}}}$ $)/\Gamma($ ${{\mathit \Sigma}^{-}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \pi}^{-}}$ $)$
$\Gamma_{4}/\Gamma_{1}$
$\Gamma($ ${{\mathit \Sigma}^{-}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \mu}^{-}}{{\overline{\mathit \nu}}_{{\mu}}}$ $)/\Gamma($ ${{\mathit \Sigma}^{+}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \mu}^{+}}{{\mathit \nu}_{{\mu}}}$ $)$
$\Gamma_{4}/\Gamma^{{{\mathit \Sigma}^{+}}}_{7}$