Speaker
Yasuhiro Yamaguchi
(Nagoya University)
Description
Recent accelerator experiments have reported unexpected states known as exotic hadrons, whose properties cannot be explained by the conventional picture. In the heavy quark sector, XYZ, Tcc and Pc have been reported since the discovery of X(3872). In this talk, we study $\bar{D}\Xi_{cc}$ pentaquark as a partner of $T_{cc}$ recently observed by the LHCb experiment. $T_{cc}$ tetraquark is a candidate of the $DD^*$ molecule. By replacing a $D$ meson with a doubly charm baryon $\Xi_{cc}$, being the superflavor partner of $D$, the existence of $\bar{D}\Xi_{cc}$ molecule is expected. We also discuss the role of interactions in the formation of these bound states.
