Journal
PHYSICAL REVIEW C
Volume 85, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.85.034324
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Funding
- Research Corporation for Science Advancement
- US Department of Energy [DE-FG02-95ER-40934]
- charge de recherche honorifique from the Fonds de la Recherche Scientifique (Belgium)
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The generalized seniority scheme has long been proposed as a means of dramatically reducing the dimensionality of nuclear shell-model calculations, when strong pairing correlations are present. However, systematic benchmark calculations, comparing results obtained in a model space truncated according to generalized seniority with those obtained in the full shell-model space, are required to assess the viability of this scheme. Here, a detailed comparison is carried out, for semimagic nuclei taken in a full major shell and with realistic interactions. The even-mass and odd-mass Ca isotopes are treated in the generalized seniority scheme, for generalized seniority v <= 3. Results for level energies, orbital occupations, and electromagnetic observables are compared with those obtained in the full shell-model space.
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