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We study hadronic molecules formed by a heavy meson and a nucleon, DN and DN (BbarN and BbarN) systems. Respecting the heavy quark symmetry and chiral symmetry, we consider the DN-DN (BbarN-BbarN$) mixing induced by the one boson exchange potential including the tensor force. We find many bound and resonant states with J^P=1/2^\pm, 3/2^\pm, 5/2^\pm and 7/2^- in isospin singlet channels, while only a few resonant states with J^P=1/2^- in isospin triplet channels. The analysis of DN and DN (BbarN and BbarN) molecules will be useful to study mass spectra of excited charmed (bottom) baryons with large angular momenta, when their masses are close to the DN and DN (BbarN and BbarN) thresholds.

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