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Utilisation d'une interaction nucléon-nucléon de portée finie dans le formalisme du modèle en couches avec couplage aux états du continuum.

Abstract : The unification of nuclear structure and nuclear reactions was always a great challenge of nuclear physics. The extreme complexity of finite quantum systems lead in the past to a separate development of the nuclear structure and the nuclear reactions. A unified description of structure and reactions is possible within the continuum shell model. All previous applications of this model used the zero-range residual interaction and the finite depth local potential to generate the single-particle basis. In the thesis, we have presen- ted an extension of the continuum shell model for finite-range nucleon-nucleon interaction and an arbitrary number of nucleons in the scattering continuum. The great advantage of the present formulation is the same two-body interaction used both to generate the single-particle basis and to describe couplings to the continuum states. This formulation opens a possibility for an ab initio continuum shell model studies with the same nucleon- nucleon interaction generating the nuclear mean field, the configuration mixing and the coupling to the scattering continuum. First realistic applications of the above model has been shown for spectra of 17F and 17O, and elastic phase-shifts in the reaction 16O(p, p)16O.
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Submitted on : Friday, March 27, 2009 - 12:49:45 PM
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Jean Baptiste Faes. Utilisation d'une interaction nucléon-nucléon de portée finie dans le formalisme du modèle en couches avec couplage aux états du continuum.. Physique Nucléaire Théorique [nucl-th]. Université de Caen, 2007. Français. ⟨tel-00371317⟩

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