Abstract
For systems with three and four fermions within a single- shell, analytical expressions for the state energies are presented from a decomposition of the angular momentum. In some important cases the expressions acquire a very simple form. The expression may help us in understanding the structure of isomeric states. The decomposition also makes it possible to construct the algebraic condition for conservation of seniority.
- Received 27 January 2010
DOI:https://doi.org/10.1103/PhysRevC.81.034318
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