Investigating the neutron stability of neutron-rich O,Ar, Kr,and Rn isotopes |
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| Authors: | V N Tarasov K A Gridnev D K Gridnev V I Kuprikov D V Tarasov W Greiner and X Vinyes |
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| Institution: | 1.Kharkov Institute of Physics and Technology,Kharkov,Ukraine;2.St. Petersburg State University,St. Petersburg,Russia;3.Frankfurt Institute for Advanced Studies,J.W. Goethe University,Frankfurt,Germany;4.University of Barcelona,Barcelona,Spain |
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| Abstract: | Properties of extremely neutron-rich even-even O, Ar, Kr, and Rn isotopes in the ground state are calculated by the Hartree-Fock
method using Skyrme forces with allowance for axial deformation of the density distribution. It is shown that beyond the familiar
two-neutron drip line there can be regions (islands) of nuclei stable with respect to the emission of one or two neutrons.
The stability recovery mechanism is described in consideration of the deformation effect. Certain isotopes are compared to
calculations performed by the Hartree-Fock-Bogolyubov method, and 40,42O is compared to calculations performed within the relativistic Hartree-Bogolyubov theory. |
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