Properties of proton-rich nuclei in a three-body model |
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| Authors: | Yanyun Chu Zhongzhou Ren Chang Xu |
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| Affiliation: | (1) Department of Physics, Nanjing University, Nanjing, 210008, China;(2) Center of Theoretical Nuclear Physics, National Laboratory of Heavy-Ion Accelerator, Lanzhou, 730000, China;(3) Joint Center for Particle, Nuclear Physics and Cosmology, Nanjing, 210008, China |
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| Abstract: | Using a three-body model and realistic two-body potentials, we investigate the properties of the nuclei 18Ne and 28S near the proton dripline. We figure out the two-proton separation energies, occupation of the valence protons, root-mean-square radii of matter and the valence protons. Besides, the spatial correlation densities are displayed to reflect the correlation between the two valence protons. The first excited 0+ state of 18Ne is most likely to be a halo state according to our calculation. Turning off the Coulomb interactions among the three-body systems, we get the two-neutron separation energies and configuration of the valence neutrons of their corresponding mirror nuclei. The results indicate that the three-body model is proper to describe some proton-rich nuclei and can be used to deduce reliable information. |
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| Keywords: | KeywordHeading" >PACS 21.10.Gv Nucleon distributions and halo features 21.60.-n Nuclear structure models and methods 27.20.+n 6 ≤ A ≤ 19 − 27.30.+t 20 ≤ A ≤ 38 |
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