dorsal/arxiv
View SchemaStructure of A=10-13 nuclei with two- plus three-nucleon interactions from chiral effective field theory
| Authors | P. Navratil, V. G. Gueorguiev, J. P. Vary, W. E. Ormand, A. Nogga |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0701038 |
| URL | https://arxiv.org/abs/nucl-th/0701038 |
| DOI | 10.1103/PhysRevLett.99.042501 |
| Journal | Phys.Rev.Lett.99:042501,2007 |
Abstract
Properties of finite nuclei are evaluated with two-nucleon (NN) and three-nucleon (NNN) interactions derived within chiral effective field theory (EFT). The nuclear Hamiltonian is fixed by properties of the A=2 system, except for two low-energy constants (LECs) that parameterize the short range NNN interaction. We constrain those two LECs by a fit to the A=3 system binding energy and investigate sensitivity of 4He, 6Li, 10,11B and 12,13C properties to the variation of the constrained LECs. We identify a preferred choice that gives globally the best description. We demonstrate that the NNN interaction terms significantly improve the binding energies and spectra of mid-p-shell nuclei not just with the preferred choice of the LECs but even within a wide range of the constrained LECs. At the same time, we find that a very high quality description of these nuclei requires further improvements to the chiral Hamiltonian.
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"abstract": "Properties of finite nuclei are evaluated with two-nucleon (NN) and\nthree-nucleon (NNN) interactions derived within chiral effective field theory\n(EFT). The nuclear Hamiltonian is fixed by properties of the A=2 system, except\nfor two low-energy constants (LECs) that parameterize the short range NNN\ninteraction. We constrain those two LECs by a fit to the A=3 system binding\nenergy and investigate sensitivity of 4He, 6Li, 10,11B and 12,13C properties to\nthe variation of the constrained LECs. We identify a preferred choice that\ngives globally the best description. We demonstrate that the NNN interaction\nterms significantly improve the binding energies and spectra of mid-p-shell\nnuclei not just with the preferred choice of the LECs but even within a wide\nrange of the constrained LECs. At the same time, we find that a very high\nquality description of these nuclei requires further improvements to the chiral\nHamiltonian.",
"arxiv_id": "nucl-th/0701038",
"authors": [
"P. Navratil",
"V. G. Gueorguiev",
"J. P. Vary",
"W. E. Ormand",
"A. Nogga"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevLett.99.042501",
"journal_ref": "Phys.Rev.Lett.99:042501,2007",
"title": "Structure of A=10-13 nuclei with two- plus three-nucleon interactions from chiral effective field theory",
"url": "https://arxiv.org/abs/nucl-th/0701038"
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