Speaker
Leon von Detten
(Forschungszentrum Jülich)
Description
We investigate the nature of the $Y(4230)$ in a simultaneous fit of the $DD^*\pi, J/\psi \pi \pi$ and $h_c \pi \pi$ crosssections and invariant mass spectra of the subsystems. We show to what extend a single $D_1 D$ bound state can explain the non-trivial asymmetric lineshape observed in these channels. At the same time we study if the $Z_c(3900)$ observed in the $J/\psi \pi$ invariant mass distribution can be understood as a $D^* D$ molecule or is a simple re-scattering effect.
Primary authors
Christoph Hanhart
(Forschungszentrum Jülich)
Leon von Detten
(Forschungszentrum Jülich)
