${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \eta}}{{\mathit K}_S^0}$   Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
S042.278
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{217}$ ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \eta}}{{\mathit K}_S^0}$ ($5.4$ $\pm0.9$) $ \times 10^{-5}$ 1508
Category: Charmonium modes
The following data is related to the above value:
$\Gamma({{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \eta}}{{\mathit K}_S^0}$ $)/\Gamma_{\text{total}}$
$\Gamma_{217}/\Gamma$