Major shell centroids in the symplectic collective model
Review articleOpen access

Abstractanalytic expressions are given for the major shell centroids of the collective potential V(β,γ) and the shape observable β2 in the Sp(3,R) symplectic model. The tools of statistical spectroscopy are shown to be useful, firstly, in translating a requirement that the underlying shell structure be preserved into constraints on the parameters of the collective potential and, secondly, in giving a reasonable estimate for a truncation of the infinite dimensional symplectic model space from experimental B(E2) transition strengths. Results based on the centroid information are shown to compare favorably with results from exact calculations in the case of 20Ne.

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