dorsal/arxiv
View SchemaNuclear Skins and Halos in the Mean-Field Theory
| Authors | S. Mizutori, J. Dobaczewski, G. A. Lalazissis, W. Nazarewicz, P. -G. Reinhard |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9911062 |
| URL | https://arxiv.org/abs/nucl-th/9911062 |
| DOI | 10.1103/PhysRevC.61.044326 |
| Journal | Phys.Rev. C61 (2000) 044326 |
Abstract
Nuclei with large neutron-to-proton ratios have neutron skins, which manifest themselves in an excess of neutrons at distances greater than the radius of the proton distribution. In addition, some drip-line nuclei develop very extended halo structures. The neutron halo is a threshold effect; it appears when the valence neutrons occupy weakly bound orbits. In this study, nuclear skins and halos are analyzed within the self-consistent Skyrme-Hartree-Fock-Bogoliubov and relativistic Hartree-Bogoliubov theories for spherical shapes. It is demonstrated that skins, halos, and surface thickness can be analyzed in a model-independent way in terms of nucleonic density form factors. Such an analysis allows for defining a quantitative measure of the halo size. The systematic behavior of skins, halos, and surface thickness in even-even nuclei is discussed.
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"abstract": "Nuclei with large neutron-to-proton ratios have neutron skins, which manifest\nthemselves in an excess of neutrons at distances greater than the radius of the\nproton distribution. In addition, some drip-line nuclei develop very extended\nhalo structures. The neutron halo is a threshold effect; it appears when the\nvalence neutrons occupy weakly bound orbits. In this study, nuclear skins and\nhalos are analyzed within the self-consistent Skyrme-Hartree-Fock-Bogoliubov\nand relativistic Hartree-Bogoliubov theories for spherical shapes. It is\ndemonstrated that skins, halos, and surface thickness can be analyzed in a\nmodel-independent way in terms of nucleonic density form factors. Such an\nanalysis allows for defining a quantitative measure of the halo size. The\nsystematic behavior of skins, halos, and surface thickness in even-even nuclei\nis discussed.",
"arxiv_id": "nucl-th/9911062",
"authors": [
"S. Mizutori",
"J. Dobaczewski",
"G. A. Lalazissis",
"W. Nazarewicz",
"P. -G. Reinhard"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.61.044326",
"journal_ref": "Phys.Rev. C61 (2000) 044326",
"title": "Nuclear Skins and Halos in the Mean-Field Theory",
"url": "https://arxiv.org/abs/nucl-th/9911062"
},
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