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

R.U. Haq and C. Quesne

Physica A: Statistical Mechanics and its Applications, 1982, vol. 114, issue 1, 327-330

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.

Date: 1982
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:114:y:1982:i:1:p:327-330

DOI: 10.1016/0378-4371(82)90308-9

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