Isotopic shift in magic nuclei within relativistic mean-field formalism

Pattnaik, Jeet Amrit and Bhuyan, Mrutunjaya and Panda, R.N. and Patra, S.K. (2021) Isotopic shift in magic nuclei within relativistic mean-field formalism. Physica Scripta, 96 (12). p. 125319. ISSN 0031-8949, DOI

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The ground-state properties such as binding energy, root-mean-square radius, pairing energy, nucleons density distribution, symmetry energy, and single-particle energies are calculated for the isotopic chain of Ca, Sn, Pb, and Z = 120 nuclei. The recently developed G3 and IOPB-I forces along with the DD-ME1 and DD-ME2 sets are used in the analysis employing the relativistic mean-field approximation. To locate the magic numbers in the superheavy region and to explain the observed kink at neutron number N = 82 for Sn isotopes, a three-point formula is used to see the shift of the observable and other nuclear properties in the isotopic chain. Unlike the electronic configuration, due to strong spin-orbit interaction, the higher spin orbitals are occupied earlier than the lower spin, causing the possible kink at the neutron magic numbers. We find peaks at the known neutron magic number with the confirmation of sub-shell, shell closure respectively at N = 40, 184 for Ca and 304120. © 2021 IOP Publishing Ltd.

Item Type: Article
Uncontrolled Keywords: isotopic shift; magic nuclei; nucleon density distribution; relativistic mean field approximation; symmetry energy; three point formula
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 29 Dec 2021 03:57
Last Modified: 29 Dec 2021 03:57

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