It is noted that in single j-shell calculations certain odd-spin states in even--even nuclei lie in a narrow energy band; likewise certain states in odd--odd nuclei.
$^{16}\mathrm{O}^{16}\mathrm{O}$ at RHIC and the LHC comparing $α$ clustering vs substructure
Energy Levels of Odd-Odd nuclei Using Broken Pair Model
Investigation of the energy levels and the structure of the different states of the 24Mg nucleus
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