${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \eta}^{\,'}{(958)}}$ anything  Decay Mode Summary INSPIRE   PDGID:
M049.73
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{6}$ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \eta}^{\,'}{(958)}}$ anything ($2.94$ $\pm0.24$) $ \times 10^{-2}$
Category: Hadronic decays
The following data is related to the above value:
$\Gamma($ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \eta}^{\,'}{(958)}}$ anything$)/\Gamma_{\text{total}}$
$\Gamma_{6}/\Gamma$