dorsal/arxiv
View SchemaMicroscopic calculation of the interaction cross section for stable and unstable nuclei based on the nonrelativistic nucleon-nucleon t-matrix
| Authors | Dao T. Khoa |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0403015 |
| URL | https://arxiv.org/abs/nucl-th/0403015 |
| DOI | 10.1103/PhysRevC.69.044605 |
| Journal | Phys.Rev. C69 (2004) 044605 |
Abstract
Fully quantal calculations of the total reaction cross sections \sigR and interaction cross sections \sigI, induced by stable and unstable He, Li, C and O isotopes on $^{12}$C target at $E_{\rm lab}\approx 0.8$ and 1 GeV/nucleon have been performed, for the first time, in the distorted wave impulse approximation (DWIA) using the microscopic \emph{complex} optical potential and inelastic form factors given by the folding model. Realistic nuclear densities for the projectiles and $^{12}$C target as well as the complex $t$-matrix parameterization of free nucleon-nucleon interaction by Franey and Love were used as inputs of the folding calculation. Our \emph{parameter-free} folding + DWIA approach has been shown to give a very good account (within 1--2%) of the experimental \sigI measured at these energies for the stable, strongly bound isotopes. With the antisymmetrization of the dinuclear system properly taken into account, this microscopic approach is shown to be more accurate than the simple optical limit of Glauber model that was widely used to infer the nuclear radii from the measured \sigI. Therefore, the results obtained for the nuclear radii of neutron-rich isotopes under study can be of interest for further nuclear structure studies.
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"abstract": "Fully quantal calculations of the total reaction cross sections \\sigR and\ninteraction cross sections \\sigI, induced by stable and unstable He, Li, C and\nO isotopes on $^{12}$C target at $E_{\\rm lab}\\approx 0.8$ and 1 GeV/nucleon\nhave been performed, for the first time, in the distorted wave impulse\napproximation (DWIA) using the microscopic \\emph{complex} optical potential and\ninelastic form factors given by the folding model. Realistic nuclear densities\nfor the projectiles and $^{12}$C target as well as the complex $t$-matrix\nparameterization of free nucleon-nucleon interaction by Franey and Love were\nused as inputs of the folding calculation. Our \\emph{parameter-free} folding +\nDWIA approach has been shown to give a very good account (within 1--2%) of the\nexperimental \\sigI measured at these energies for the stable, strongly bound\nisotopes. With the antisymmetrization of the dinuclear system properly taken\ninto account, this microscopic approach is shown to be more accurate than the\nsimple optical limit of Glauber model that was widely used to infer the nuclear\nradii from the measured \\sigI. Therefore, the results obtained for the nuclear\nradii of neutron-rich isotopes under study can be of interest for further\nnuclear structure studies.",
"arxiv_id": "nucl-th/0403015",
"authors": [
"Dao T. Khoa"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.69.044605",
"journal_ref": "Phys.Rev. C69 (2004) 044605",
"title": "Microscopic calculation of the interaction cross section for stable and unstable nuclei based on the nonrelativistic nucleon-nucleon t-matrix",
"url": "https://arxiv.org/abs/nucl-th/0403015"
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