Measurements of the branching fractions of ${\chi }_{cJ}\to \varphi \varphi \eta ,\varphi \varphi {\eta }^{\prime }$ and $\varphi K^{+}{K}^{-}\eta$

BESIII Collaboration, M. Ablikim, M. N. Achasov +683

Using a sample of $(2712.4\pm 14.3)\times 10^6\psi$(3686) events collected by the BESIII detector at the BEPCII collider, we measure the branching fractions of the decays $χ_{cJ}\t…