Abstract

Exotic hadrons reported in the heavy flavor sector have attracted much interest in hadron and nuclear physics. Especially near the thresholds, the hadron-hadron interaction is important to understand these exotic structures. In this talk, the short range [Formula: see text] potential whose importance is indicated by the Lattice QCD is studied by the [Formula: see text] meson exchange model, and the Born-order quark exchange model. We find the large difference between the results of the [Formula: see text] meson exchange and the quark exchange calculations.

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