${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}$2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M049.13
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{85}$ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}$2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}$ ($2.5$ $\pm0.9$) $ \times 10^{-4}$ 4720
Category: Radiative decays
The following data is related to the above value:
$\Gamma({{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}$2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{85}/\Gamma$