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Spin-isospin SU(4) symmetry breaking in statistical spectroscopy

Author

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  • Haq, R.U.
  • Quesne, C.

Abstract

Centroid energies and variances of fixed spin-isospin and SU(4) symmetry spectral distributions are calculated without any approximation in d-s shell nuclei by using some previously developed propagation techniques. Intensities of various irreducible representations of SU(4) near the ground state are evaluated and these provide a measure of symmetry breaking. The influence of the residual interaction is studied. The results are compared with those coming from fixed SU(4) symmetry distributions or from fixed spin-isospin and SU(4) symmetry distributions with an approximate calculation of the variances.

Suggested Citation

  • Haq, R.U. & Quesne, C., 1982. "Spin-isospin SU(4) symmetry breaking in statistical spectroscopy," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 114(1), pages 327-330.
    • Handle: RePEc:eee:phsmap:v:114:y:1982:i:1:p:327-330
    DOI: 10.1016/0378-4371(82)90308-9
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