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Energy and width of a narrow I=1/2 DNN quasibound state

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	Bayar, Melahat; Xiao, Chu Wen; Hyodo, T.; Dote, A.; Oka, M.; Oset Báguena, Eulogio Perfil
	This document is a artículoDate2012
	Este documento está disponible también en : http://hdl.handle.net/10550/46681
	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 Λc(2595) (I=0, Jπ=1/2−) resonance state. We find that the system is bound by about 250 MeV from the DNN threshold, s√∼3500 MeV. Its width including both the mesonic decay and the D absorption, is estimated to be about 20-40 MeV. The I=0 DN pair in the DNN system is found to form a cluster that is similar to the Λc(2595).
	Bayar, Melahat Xiao, Chu Wen Hyodo, T. Dote, A. Oka, M. Oset Báguena, Eulogio 2012 Energy and width of a narrow I=1/2 DNN quasibound state Physical Review C 86 4 044004
	http://dx.doi.org/10.1103/PhysRevC.86.044004