Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2008-08-25
Phys.Rev.C79:014308,2009
Physics
Nuclear Physics
Nuclear Theory
16 pages, 31 figures, minor changes made according to referee's suggestions
Scientific paper
10.1103/PhysRevC.79.014308
We perform no-core full configuration calculations for a set of light nuclei including $^{16}$O with a realistic NN interaction, JISP16. We obtain ground state energies and their uncertainties through exponential extrapolations that we demonstrate are reliable in $^2$H, $^3$H and $^4$He test cases where fully converged results are obtained directly. We find that $^6$He, $^6$Li and $^8$He are underbound by about 600 keV, 560 keV and 1.7 MeV, respectively. $^{12}$C is overbound by about 1.7 MeV and $^{16}$O is overbound by about 16 MeV. The first excited $0^+$ states in $^{12}$C and $^{16}$O are also evaluated but their uncertainties are significantly larger than the uncertainties for the ground states.
Maris Pieter
Shirokov Andrey M.
Vary James P.
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