dorsal/arxiv
View SchemaThe surface diffuseness and the spin-orbital splitting in relativistic continuum Hartree-Bogoliubov theory
| Authors | J. Meng, I. Tanihata |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9908042 |
| URL | https://arxiv.org/abs/nucl-th/9908042 |
| DOI | 10.1016/S0375-9474(99)00104-9 |
| Journal | Nucl.Phys. A650 (1999) 176-196 |
Abstract
The Relativistic Continuum Hartree Bogoliubov theory (RCHB), which is the extension of the Relativistic Mean Field and the Bogoliubov transformation in the coordinate representation, has been used to study tin isotopes. The pairing correlation is taken into account by a density-dependent force of zero range. RCHB is used to describe the even-even tin isotopes all the way from the proton drip line to the neutron drip line. The contribution of the continuum which is important for nuclei near the drip-line has been taken into account. The theoretical $S_{2n}$ as well as the neutron, proton, and matter $rms$ radii are presented and compared with the experimental values where they exist. The change of the potential surface with the neutron number has been investigated. The diffuseness of the potentials in tin isotopes is analyzed through the spin-orbital splitting in order to provide new way to understand the halo phenomena in exotic nuclei. The systematic of the isospin and energy dependence of these results are extracted and analyzed.
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"abstract": "The Relativistic Continuum Hartree Bogoliubov theory (RCHB), which is the\nextension of the Relativistic Mean Field and the Bogoliubov transformation in\nthe coordinate representation, has been used to study tin isotopes. The pairing\ncorrelation is taken into account by a density-dependent force of zero range.\nRCHB is used to describe the even-even tin isotopes all the way from the proton\ndrip line to the neutron drip line. The contribution of the continuum which is\nimportant for nuclei near the drip-line has been taken into account. The\ntheoretical $S_{2n}$ as well as the neutron, proton, and matter $rms$ radii are\npresented and compared with the experimental values where they exist. The\nchange of the potential surface with the neutron number has been investigated.\nThe diffuseness of the potentials in tin isotopes is analyzed through the\nspin-orbital splitting in order to provide new way to understand the halo\nphenomena in exotic nuclei. The systematic of the isospin and energy dependence\nof these results are extracted and analyzed.",
"arxiv_id": "nucl-th/9908042",
"authors": [
"J. Meng",
"I. Tanihata"
],
"categories": [
"nucl-th"
],
"doi": "10.1016/S0375-9474(99)00104-9",
"journal_ref": "Nucl.Phys. A650 (1999) 176-196",
"title": "The surface diffuseness and the spin-orbital splitting in relativistic continuum Hartree-Bogoliubov theory",
"url": "https://arxiv.org/abs/nucl-th/9908042"
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