${{\mathit \Sigma}^{+}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \pi}^{+}}{{\mathit \gamma}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
S019.3
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{4}$ ${{\mathit \Sigma}^{+}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \pi}^{+}}{{\mathit \gamma}}$ ($4.5$ $\pm0.5$) $ \times 10^{-4}$ 185
Note: See the Listings below for the pion momentum range used in this measurement.
The following data is related to the above value:
$\Gamma({{\mathit \Sigma}^{+}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \pi}^{+}}{{\mathit \gamma}})/\Gamma({{\mathit \Sigma}^{+}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \pi}^{+}})$
$\Gamma_{4}/\Gamma_{2}$