Quark structure of the ${\chi }_{\mathrm{c}}(3P)$ and $X(4274)$ resonances and their strong and radiative decays

J. Ferretti, E. Santopinto, M. Naeem Anwar +1

We calculate the masses of ${\chi }_{\mathrm{c}}(3P)$ states with threshold corrections in a coupled-channel model. The model was recently applied to the description of the properties of $χ_{…