${{\mathit \eta}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$2 ${{\mathit \gamma}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
S014.11
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{21}$ ${{\mathit \eta}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$2 ${{\mathit \gamma}}$ $<2.1 \times 10^{-3}$ 236
Category: Charged modes
The following data is related to the above value:
$\Gamma({{\mathit \eta}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$2 ${{\mathit \gamma}})/\Gamma({{\mathit \eta}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}})$
$\Gamma_{21}/\Gamma_{9}$