A Skyrme parametrization from subnuclear to neutron star densities
Identifieur interne : 000145 ( France/Analysis ); précédent : 000144; suivant : 000146A Skyrme parametrization from subnuclear to neutron star densities
Auteurs : E. Chabanat [France] ; P. Bonche [France] ; P. Haensel [Pologne] ; J. Meyer [France] ; R. Schaeffer [France]Source :
- Nuclear Physics, Section A [ 0375-9474 ] ; 1997.
Abstract
Skyrme effective forces are revisited to improve their behavior with respect to the isospin degree of freedom from the stability line to the most exotic nuclei that coming experimental facilities will produce. To achieve the best possible calculation of nuclear properties up to the neutron drip line, it is proposed to fit the neutron matter equation of state of the UV14+UVII theoretical model up to high densities to avoid any collapses or unphysical features of the resulting equation of state in the Skyrme framework. This last and very severe constraint on these interactions allows a prospective study of both neutron rich nuclei and neutron star matter.
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DOI: 10.1016/S0375-9474(97)00596-4
Affiliations:
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<front><div type="abstract" xml:lang="en">Skyrme effective forces are revisited to improve their behavior with respect to the isospin degree of freedom from the stability line to the most exotic nuclei that coming experimental facilities will produce. To achieve the best possible calculation of nuclear properties up to the neutron drip line, it is proposed to fit the neutron matter equation of state of the UV14+UVII theoretical model up to high densities to avoid any collapses or unphysical features of the resulting equation of state in the Skyrme framework. This last and very severe constraint on these interactions allows a prospective study of both neutron rich nuclei and neutron star matter.</div>
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