Nature of $X(3872)$ from its radiative decay

Shuo-Ying Yu, Xian-Wei Kang

We study the radiative decay of $X(3872)$ based on the assumption that $X(3872)$ is regarded as a $c\overline{c}$ charmonium with quantum number $J^{PC}=1^{++}$ ($J,P,C$ repres…