${{\mathit \eta}^{\,'}{(958)}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) neutrals  Decay Mode Summary INSPIRE   PDGID:
M002.132
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{16}$ ${{\mathit \eta}^{\,'}{(958)}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) neutrals $<0.01$ CL= 95%
The following data is related to the above value:
$\Gamma($ ${{\mathit \eta}^{\,'}{(958)}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) neutrals$)/\Gamma_{\text{total}}$
$\Gamma_{16}/\Gamma$