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Zeitschrift für Physik

, Volume 268, Issue 1, pp 11–18 | Cite as

Nuclear structure of the heavyN=82 isotones:144Sm and146Gd

  • M. Waroquier
  • K. Heyde
Article

Abstract

For single-closed shell nuclei with a large number of extra-protons, outside theZ=50,N=82 double-closed shell nucleus, a standard shell-model calculation yields dimensions of the Hamiltonian matrices beyond the scope of present computer technology. A quasi-particle (QP) calculation however, is able to describe the most important proton-excitations in a much restricted configuration space. Extended BCS+TDA calculations are performed on the single-closed shell144Sm and146Gd nuclei with a Gaussian force as effective two-body interaction. The influence of the nonconservation of the exact number of extra-protons in the BCS-approach is studied by performing a projection onto the states with an exact number of extra-protons (BCS+P). The first excited 2+, 4+ and 6+ states in146Gd are described mainly by the (1g7/2) 0 8 (2d5/2) 0 4 \((1h11/2)_{J^\pi }^2 \) configuration.

Keywords

Elementary Particle Computer Technology Present Computer Nuclear Structure Configuration Space 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1974

Authors and Affiliations

  • M. Waroquier
    • 1
  • K. Heyde
    • 1
  1. 1.Institute for Nuclear SciencesGentBelgium

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