${{\mathit B}}$ $\rightarrow$ ${{\mathit \eta}_{{{c}}}{(1S)}}$ anything  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
S049.22
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{59}$ ${{\mathit B}}$ $\rightarrow$ ${{\mathit \eta}_{{{c}}}{(1S)}}$ anything $<9 \times 10^{-3}$ CL= 90%
Category: Charmonium modes
The following data is related to the above value:
$\Gamma({{\mathit B}}$ $\rightarrow$ ${{\mathit \eta}_{{{c}}}{(1S)}}$ anything$)/\Gamma_{\text{total}}$
$\Gamma_{59}/\Gamma$