Study of $\psi (3686)\to {\pi }^0{h}_c,h_c\to \gamma {\eta }_c$ via ${\eta }_c$ exclusive decays

The BESIII Collaboration, M. Ablikim, M. N. Achasov +346

The process $\psi (3686)\to {\pi }^0{h}_c,h_c\to \gamma {\eta }_c$ has been studied with a data sample of $106\pm 4$ million $\psi (3686)$ events collected with the BESIII detector at the BEPCII storage…