dorsal/arxiv
View SchemaNeutrino-12C scattering in the ab initio shell model with a realistic three-body interaction
| Authors | A. C. Hayes, P. Navratil, J. P. Vary |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0305072 |
| URL | https://arxiv.org/abs/nucl-th/0305072 |
| DOI | 10.1103/PhysRevLett.91.012502 |
| Journal | Phys.Rev.Lett. 91 (2003) 012502 |
Abstract
We investigate cross sections for neutrino-12C exclusive scattering and for muon capture on 12C using wave functions obtained in the ab initio no-core shell model. In our parameter-free calculations with basis spaces up to the 6 hbarOmega we show that realistic nucleon-nucleon interactions, like e.g. the CD-Bonn, under predict the experimental cross sections by more than a factor of two. By including a realistic three-body interaction, Tucson-Melbourne TM'(99), the cross sections are enhanced significantly and a much better agreement with experiment is achieved. At the same time,the TM'(99) interaction improves the calculated level ordering in 12C. The comparison between the CD-Bonn and the three-body calculations provides strong confirmation for the need to include a realistic three-body interaction to account for the spin-orbit strength in p-shell nuclei.
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"abstract": "We investigate cross sections for neutrino-12C exclusive scattering and for\nmuon capture on 12C using wave functions obtained in the ab initio no-core\nshell model. In our parameter-free calculations with basis spaces up to the 6\nhbarOmega we show that realistic nucleon-nucleon interactions, like e.g. the\nCD-Bonn, under predict the experimental cross sections by more than a factor of\ntwo. By including a realistic three-body interaction, Tucson-Melbourne TM\u0027(99),\nthe cross sections are enhanced significantly and a much better agreement with\nexperiment is achieved. At the same time,the TM\u0027(99) interaction improves the\ncalculated level ordering in 12C. The comparison between the CD-Bonn and the\nthree-body calculations provides strong confirmation for the need to include a\nrealistic three-body interaction to account for the spin-orbit strength in\np-shell nuclei.",
"arxiv_id": "nucl-th/0305072",
"authors": [
"A. C. Hayes",
"P. Navratil",
"J. P. Vary"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevLett.91.012502",
"journal_ref": "Phys.Rev.Lett. 91 (2003) 012502",
"title": "Neutrino-12C scattering in the ab initio shell model with a realistic three-body interaction",
"url": "https://arxiv.org/abs/nucl-th/0305072"
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