${{\mathit \Sigma}^{-}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \pi}^{-}}{{\mathit \gamma}}$   Decay Mode Summary INSPIRE   PDGID:
S020.2
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{2}$ ${{\mathit \Sigma}^{-}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \pi}^{-}}{{\mathit \gamma}}$ ($4.6$ $\pm0.6$) $ \times 10^{-4}$ 193
Note: See the Listings below for the pion momentum range used in this measurement.
The following data is related to the above value:
$\Gamma($ ${{\mathit \Sigma}^{-}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \pi}^{-}}{{\mathit \gamma}}$ $)/\Gamma($ ${{\mathit \Sigma}^{-}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \pi}^{-}}$ $)$
$\Gamma_{2}/\Gamma_{1}$