dorsal/arxiv
View SchemaShell model calculations of stellar weak interaction rates: I. Gamow-Teller distributions and spectra of nuclei in the mass range A=45-65
| Authors | E. Caurier, K. Langanke, G. Martinez-Pinedo, F. Nowacki |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9903042 |
| URL | https://arxiv.org/abs/nucl-th/9903042 |
| DOI | 10.1016/S0375-9474(99)00240-7 |
| Journal | Nucl.Phys. A653 (1999) 439-452 |
Abstract
Electron capture and beta-decay rates on nuclei in the mass range A=45-65 play an important role in many astrophysical environments. The determination of these rates by large-scale shell model calculations is desirable, but it requires to reproduce the Gamow-Teller strength distributions and spectra of the pf shell nuclei. We show in this paper that large-scale shell model calculations, employing a slightly monopole-corrected version of the wellknown KB3 interaction, fulfill these necessary requirements. In particular, our calculations reproduce the experimentally available GT+ and GT- strength distributions and the nuclear halflives, and describe the nuclear spectra appropriately.
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"abstract": "Electron capture and beta-decay rates on nuclei in the mass range A=45-65\nplay an important role in many astrophysical environments. The determination of\nthese rates by large-scale shell model calculations is desirable, but it\nrequires to reproduce the Gamow-Teller strength distributions and spectra of\nthe pf shell nuclei. We show in this paper that large-scale shell model\ncalculations, employing a slightly monopole-corrected version of the wellknown\nKB3 interaction, fulfill these necessary requirements. In particular, our\ncalculations reproduce the experimentally available GT+ and GT- strength\ndistributions and the nuclear halflives, and describe the nuclear spectra\nappropriately.",
"arxiv_id": "nucl-th/9903042",
"authors": [
"E. Caurier",
"K. Langanke",
"G. Martinez-Pinedo",
"F. Nowacki"
],
"categories": [
"nucl-th"
],
"doi": "10.1016/S0375-9474(99)00240-7",
"journal_ref": "Nucl.Phys. A653 (1999) 439-452",
"title": "Shell model calculations of stellar weak interaction rates: I. Gamow-Teller distributions and spectra of nuclei in the mass range A=45-65",
"url": "https://arxiv.org/abs/nucl-th/9903042"
},
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