Journal
PHYSICAL REVIEW C
Volume 85, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.85.064613
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Funding
- Japan Society for the Promotion of Science [22540285, 22740169]
- Grants-in-Aid for Scientific Research [22740169, 24105008, 22740135, 22540285] Funding Source: KAKEN
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Deformations of Ne isotopes in the island of inversion are determined by the folding model description of the interaction cross sections measured for Ne28-32 isotopes incident on a C-12 target at 240 MeV/nucleon, using the Melbourne g-matrix interaction and the nuclear densities calculated by antisymmetrized molecular dynamics (AMD). The double folding model with the AMD density well reproduces the measured interaction cross sections, if the tail correction is made to the AMD density for Ne-31. The quadrupole deformation determined is around 0.4 in the island of inversion and Ne-31 is a halo nucleus with large deformation. We propose the Woods-Saxon model with the AMD deformation and a suitably chosen parametrization set as an approximate but simple method to reproduce the AMD density with the tail correction. The angular momentum projection is essential to obtain the large deformation in the island of inversion. Effects of the pairing correlation are investigated.
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