The $X(3872)\to J/\psi \pi \gamma$ and $X(3872)\to J/\psi \pi \pi \gamma$ decays

Qi Wu, Jun-Zhang Wang, Shi-Lin Zhu

We study the $\rho$ and $\omega$ meson contribution to the radiative decays $X(3872)\to J/\psi \pi \gamma$ and $X(3872)\to J/\psi \pi \pi \gamma$. The $X(3872)\to J/\psi \pi \gamma$ is dominated by the $…