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Preliminary study of ground state properties of odd-mass nuclei using the SLy5* within the Skyrme mean-field approach

Lee, Kai Wen Kelvin and Koh, Meng Hock and Quentin, P. and Bonneau, L. (2020) Preliminary study of ground state properties of odd-mass nuclei using the SLy5* within the Skyrme mean-field approach. In: 14th Asia Pacific Physics Conference, APPC 2019, 17 - 22 November 2019, Kuching, Sarawak.

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Official URL: http://dx.doi.org/10.1063/5.0037046

Abstract

The single-particle states are degenerate in the ground-state of an even-even nucleus since there are at least two states (corresponding to spin up and spin down) with the same energy. However, this is not the case for odd-mass nucleus due to the existence of the unpaired nucleon which breaks the time reversal symmetry. The impact of the time-reversal symmetry breaking on a wide range of rare earth nuclei has been investigated recently within the Skyrme mean-field approach using the Skyrme SIII parametrization [1]. In order to have a more complete assessment on the impact of time-reversal symmetry breaking on nuclear properties, we performed calculations using the SLy5* parametrization with BCS pairing. The seniority force is used to approximate the residual pairing interaction. In this work, some nuclear properties of odd-mass rare earth nuclei namely binding energy, nuclear charge radii, spectroscopic charge quadrupole moment and band-head energy spectra are compared to previous SIII calculations and experimental data.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:nuclei, Skyrme SIII
Subjects:Q Science > QC Physics
Divisions:Science
ID Code:92063
Deposited By: Widya Wahid
Deposited On:30 Aug 2021 04:58
Last Modified:30 Aug 2021 04:58

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