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| Hauptseite > Publikationsdatenbank > Uncertainties in ab initio nuclear structure calculations with chiral interactions > print |
| Hauptseite > Publikationsdatenbank > Uncertainties in ab initio nuclear structure calculations with chiral interactions > print |
| 001 | 1005591 | ||
| 005 | 20240610121103.0 | ||
| 024 | 7 | _ | |a 10.3389/fphy.2023.1098262 |2 doi |
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| 037 | _ | _ | |a FZJ-2023-01550 |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Maris, P. |0 P:(DE-HGF)0 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Uncertainties in ab initio nuclear structure calculations with chiral interactions |
| 260 | _ | _ | |a Lausanne |c 2023 |b Frontiers Media |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a We present theoretical ground state energies and their uncertainties for p-shell nuclei obtained from chiral effective field theory internucleon interactions as a function of chiral order, fitted to two- and three-body data only. We apply a Similary Renormalization Group transformation to improve the numerical convergence of the many-body calculations, and discuss both the numerical uncertainties arising from basis truncations and those from omitted induced many-body forces, as well as chiral truncation uncertainties. With complete Next-to-Next-to-Leading (N2LO) order two- and three-body interactions, we find significant overbinding for the ground states in the upper p-shell, but using higher-order two-body potentials, in combination with N2LO three-body forces, our predictions agree with experiment throughout the p-shell to within our combined estimated uncertainties. The uncertainties due to chiral order truncation are noticeably larger than the numerical uncertainties, but they are expected to become comparable to the numerical uncertainties at complete N3LO. |
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| 700 | 1 | _ | |a Le, H. |0 P:(DE-Juel1)168554 |b 1 |u fzj |
| 700 | 1 | _ | |a Nogga, Andreas |0 P:(DE-Juel1)131273 |b 2 |u fzj |
| 700 | 1 | _ | |a Roth, R. |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Vary, J. P. |0 P:(DE-HGF)0 |b 4 |
| 773 | _ | _ | |a 10.3389/fphy.2023.1098262 |g Vol. 11, p. 1098262 |0 PERI:(DE-600)2721033-9 |p 1098262 |t Frontiers in physics |v 11 |y 2023 |x 2296-424X |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/1005591/files/fphy-11-1098262.pdf |y OpenAccess |
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