${{\mathit \Upsilon}{(4S)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \eta}^{\,'}}$   Decay Mode Summary INSPIRE   PDGID:
M047.18
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{14}$ ${{\mathit \Upsilon}{(4S)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \eta}^{\,'}}$ $<4.3 \times 10^{-6}$ CL= 90% 5196
The following data is related to the above value:
$\Gamma($ ${{\mathit \Upsilon}{(4S)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \eta}^{\,'}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{14}/\Gamma$