${{\mathit \Upsilon}_{{{2}}}{(1D)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \Upsilon}{(1S)}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M177.3
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{3}$ ${{\mathit \Upsilon}_{{{2}}}{(1D)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \Upsilon}{(1S)}}$ not seen 426
The following data is related to the above value:
$\Gamma({{\mathit \Upsilon}_{{{2}}}{(1D)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \Upsilon}{(1S)}})/\Gamma({{\mathit \Upsilon}_{{{2}}}{(1D)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}})$
$\Gamma_{3}/\Gamma_{1}$