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Study of two-neutron drip line nuclei in region of light nuclei

Zong‐Qiang Sheng, Jian-You Guo

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Abstract

The ground state properties of even-even O, Ne, Mg, Si, S, Ar, Ca and Ni isotopes were studied with the self-consistent deformed relativistic mean field theory with NL3 parameter set. The calculated results of O and Mg isotopes were presented in detail. The calculated binding energies and the two-neutron separation energies were in good agreement with experimental values. By examining the two-neutron separation energies, it was suggested that 30O, 38Ne, 42Mg, 52Si, 54S, 60Ar, 80Ca and 98Ni are the two-neutron drip line nuclei. We also briefly discussed the possible changes of neutron magic numbers in Ca and Ni isotopes.

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What this paper is about

The ground state properties of even-even O, Ne, Mg, Si, S, Ar, Ca and Ni isotopes were studied with the self-consistent deformed relativistic mean field theory with NL3 parameter set. The calculated results of O and Mg isotopes were presented in detail. The calculated binding energies and the two-neutron separation energies were in good agreement with experimental values. By examining the two-neutron separation energies, it was suggested that 30O, 38Ne, 42Mg, 52Si, 54S, 60Ar, 80Ca and 98Ni are the two-neutron drip line nuclei. We also briefly discussed the possible changes of neutron magic numbers in Ca and Ni isotopes.

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Available abstract

The ground state properties of even-even O, Ne, Mg, Si, S, Ar, Ca and Ni isotopes were studied with the self-consistent deformed relativistic mean field theory with NL3 parameter set. The calculated results of O and Mg isotopes were presented in detail. The calculated binding energies and the two-neutron separation energies were in good agreement with experimental values. By examining the two-neutron separation energies, it was suggested that 30O, 38Ne, 42Mg, 52Si, 54S, 60Ar, 80Ca and 98Ni are the two-neutron drip line nuclei. We also briefly discussed the possible changes of neutron magic numbers in Ca and Ni isotopes.

Key concepts: Neutron, Isotope, Physics, Neutron number, Nuclear drip line, Magic number (chemistry), Line (geometry), Nuclear physics

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