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The $DN$ interactions are constructed so that they dynamically generate the $\\Lambda_c(2595)$ (I=0, $J^{\\pi} =1/2^-$) resonance state. We find that the system is bound by about 250 MeV from the $DNN$ threshold, $\\sqrt{s} \\sim 3500$ MeV. Its width including both the mesonic decay and the $D$ absorption, is estimated to be about 20-40 MeV. 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Dote, C. W. Xiao, E. Oset, M. Bayar, M. Oka, T. Hyodo","submitted_at":"2012-05-10T14:18:01Z","abstract_excerpt":"The energies and widths of $DNN$ quasi-bound states with isospin I=1/2 are evaluated in two methods, the fixed center approximation to the Faddeev equation and the variational method approach to the effective one-channel Hamiltonian. The $DN$ interactions are constructed so that they dynamically generate the $\\Lambda_c(2595)$ (I=0, $J^{\\pi} =1/2^-$) resonance state. We find that the system is bound by about 250 MeV from the $DNN$ threshold, $\\sqrt{s} \\sim 3500$ MeV. Its width including both the mesonic decay and the $D$ absorption, is estimated to be about 20-40 MeV. 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