Measurements of the branching fractions of \boldmath ${\chi }_{cJ}\to {\Sigma }^0{\bar{\Sigma }}^0\eta$

BESIII Collaboration

Using $(2712.4\pm 14.3)\times 10^6$ $\psi (3686)$ events collected with the BESIII detector at the BEPCII collider, we report the first observations of the decay $χ_{cJ}(J=0,1,2) \to Σ…