Relativistic Hartree-Bogoliubov description of ground-state properties of Ni and Sn isotopes

G. A. Lalazissis, D. Vretenar, and P. Ring
Phys. Rev. C 57, 2294 – Published 1 May 1998
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Abstract

Relativistic Hartree-Bogoliubov (RHB) theory is applied in the description of the ground-state properties of Ni and Sn isotopes. The NL3 parameter set is used for the effective mean-field Lagrangian, and pairing correlations are described by the pairing part of the finite range Gogny interaction D1S. Fully self-consistent RHB solutions are calculated for the Ni (28<~N<~50) and Sn (50<~N<~82) isotopes. Binding energies, neutron separation energies, and proton and neutron rms radii are compared with experimental data. The model predicts a reduction of the spin-orbit potential with the increase of the number of neutrons. The resulting energy splittings between spin-orbit partners are discussed, as well as pairing properties calculated with the finite range effective interaction in the pp channel.

  • Received 8 December 1997

DOI:https://doi.org/10.1103/PhysRevC.57.2294

©1998 American Physical Society

Authors & Affiliations

G. A. Lalazissis1, D. Vretenar2, and P. Ring1

  • 1Physik-Department der Technischen Universität München, Garching, Germany
  • 2Physics Department, Faculty of Science, University of Zagreb, Croatia

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Vol. 57, Iss. 5 — May 1998

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