Nuclear shape coexistence in a schematic model

U. Kaup, B. R. Barrett

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

The phenomenon of shape coexistence, occurring frequently in the vicinity of nuclear subshell closures, is investigated within a schematic model with protons in two subshells and neutrons in a single shell. The results of this study shed some light on how one should model the phenomenon within the interacting-boson framework and relates to previous phenomenological studies. Our model employs an SO(8)SO(8)+SO(8)- dynamic symmetry to ensure exact decoupling of an S-D-pair space, thus providing a tight conceptual link with the interacting-boson model. The model has a critical point, namely, below a certain number of valence neutrons the deformed configuration ceases to coexist. This is intriguingly reminiscent of the data.

Original languageEnglish (US)
Pages (from-to)981-987
Number of pages7
JournalPhysical Review C
Volume42
Issue number3
DOIs
StatePublished - Jan 1 1990

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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