Microscopic-macroscopic approach for ground-state energies based on the Gogny force with the Wigner-Kirkwood averaging scheme

A. Bhagwat, M. Centelles, X. Viñas, and P. Schuck
Phys. Rev. C 103, 024321 – Published 23 February 2021
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Abstract

In the previous paper [Bhagwat, Centelles, Viñas, and Schuck, Phys. Rev. C 103, 024320 (2021)] we have shown that self-consistent extended Thomas-Fermi (ETF) potentials and densities associated with a given finite-range interaction can be parametrized by generalized Fermi distributions. As a next step, a comprehensive calculation of ground-state properties of a large number of spherical and deformed even-even nuclei is carried out in the present paper using the Gogny D1S force within the ETF scheme. The parametrized ETF potentials and densities of the previous paper are used to calculate the smooth part of the energy and the shell corrections within the Wigner-Kirkwood semiclassical averaging scheme. It is shown that the shell corrections thus obtained, along with a simple liquid drop prescription, yield a good description of ground-state masses and potential-energy surfaces for nuclei spanning the entire periodic table.

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  • Received 19 October 2020
  • Revised 31 December 2020
  • Accepted 22 January 2021

DOI:https://doi.org/10.1103/PhysRevC.103.024321

©2021 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

A. Bhagwat1, M. Centelles2, X. Viñas2, and P. Schuck3

  • 1School of Physical Sciences, UM-DAE Centre for Excellence in Basic Sciences, Mumbai 400 098, India
  • 2Departament de Física Quàntica i Astrofísica and Institut de Ciències del Cosmos, Facultat de Física, Universitat de Barcelona, Martí i Franquès 1, E-08028 Barcelona, Spain
  • 3Université Paris-Saclay, IJCLab, IN2P3–Centre National de la Recherche Scientifique, 91405 Orsay, France and Université Grenoble Alpes, Centre National de la Recherche Scientifique, LPMMC, 38000 Grenoble, France

See Also

Woods-Saxon type of mean-field potentials with effective mass derived from the D1S Gogny force

A. Bhagwat, M. Centelles, X. Viñas, and P. Schuck
Phys. Rev. C 103, 024320 (2021)

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Issue

Vol. 103, Iss. 2 — February 2021

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