The electromagnetic decays of $X(3823)$ as the ${\psi }_2(1^3{D}_2)$ state and its radial excited states

Wei Li, Su-Yan Pei, Tianhong Wang +3

We study the electromagnetic (EM) decays of $X(3823)$ as the ${\psi }_2(1^3{D}_2)$ state by using the relativistic Bethe-Salpeter method. Our results are $Γ[X(3823)\rightarrowχ_{_{c0}}…