Partial conservation of seniority and nuclear isomerism

Abstract : We point out the possibility of the {\em partial} conservation of the seniority quantum number when most eigenstates are mixed in seniority but some remain pure. This situation occurs in nuclei for the $g_{9/2}$ and $h_{9/2}$ shells where it is at the origin of the existence of seniority isomers in the ruthenium and palladium isotopes. It also occurs for $f$ bosons.
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Journal articles

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Submitted on : Tuesday, January 8, 2008 - 2:53:16 PM
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P. van Isacker, S. Heinze. Partial conservation of seniority and nuclear isomerism. Physical Review Letters, American Physical Society, 2008, 100, pp.052501. ⟨10.1103/PhysRevLett.100.052501⟩. ⟨in2p3-00202956⟩

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