Valence shell excitations in even-even spherical nuclei within a microscopic model

The structure of some low-lying states in the N=80 and N=84 isotones is investigated within the quasiparticle-phonon model. The calculations reproduce the experimental levels, the electromagnetic transition strengths, and the selection rules. They account also for the M1 splittings observed in 138Ce...

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Bibliographic Details
Published in:Journal of physics. Conference series 2011-01, Vol.267 (1), p.012045-6
Main Authors: Lo Iudice, N, Stoyanov, Ch
Format: Article
Language:English
Subjects:
Correlation
Elementary excitations
Excitation
Mathematical models
Nuclei
Physics
Spherical shells
Splitting
Strength
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Summary:The structure of some low-lying states in the N=80 and N=84 isotones is investigated within the quasiparticle-phonon model. The calculations reproduce the experimental levels, the electromagnetic transition strengths, and the selection rules. They account also for the M1 splittings observed in 138Ce, 144Nd and 142Ce and relate them to correlations specific of each nucleus.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/267/1/012045