A coupled-channel analysis of the $X(3872)$ lineshape with BESIII data

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

We perform a study of the $X(3872)$ lineshape using the data samples of $e^{+}{e}^{-}\to \gamma X(3872)$, $X(3872)\to D^0{\bar{D}}^0{\pi }^0$ and ${\pi }^{+}{\pi }^{-}J/\psi$ collected with the BESIII detector. The…