${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit X}}$ $\rightarrow$ ${{\mathit \gamma}}$ +${}\geq{}$4 prongs  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M049.113
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{121}$ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit X}}$ $\rightarrow$ ${{\mathit \gamma}}$ +${}\geq{}$4 prongs $<1.78 \times 10^{-4}$ CL= 95%
Category: Radiative decays
Note: 1.5 GeV $<$ ${\mathit m}_{{{\mathit X}}}<$ 5.0 GeV
The following data is related to the above value:
$\Gamma({{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit X}}$ $\rightarrow$ ${{\mathit \gamma}}$ +${}\geq{}$4 prongs$)/\Gamma_{\text{total}}$
$\Gamma_{121}/\Gamma$