Charmed dibaryon states with the spin-parity Jπ=0+, 1+, and
2+are predicted for the two-body YcN (=Λc, Σc, or
Σc∗) systems. We employ the complex scaling method for the coupled
channel Hamiltonian with the YcN-CTNN potentials, which were proposed in our
previous study. We find four sharp resonance states near the ΣcN and
Σc∗N thresholds. From the analysis of the binding energies of partial
channel systems, we conclude that these resonance states are Feshbach
resonances. We compare the results with the YcN resonance states in the
heavy quark limit, where the ΣcN and Σc∗N thresholds are
degenerate, and find that they form two pairs of the heavy-quark doublets in
agreement with the heavy quark spin symmetry.Comment: Proceedings of the International Workshop "New Aspects of the Hadron
and Astro/Nuclear Physics