Cluster-Structure Study of 20Ne by "(16O- )+(12C-8 Be)" Coupled Channel Orthogonality Condition Model. II: Analysis of the Wave Functions of Rotational Band States with T=0

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Abstract
Cluster structure of low-lying T = 0 states in 20Ne is investigated by “16O - α) + (12C - 8Be)” coupled channel orthogonality condition model, with focusing on the rotational aspect of this nucleus. The following six rotational bands are treated by taking account of the cluster structure with “16O + α”- and “12C + 8Be” -like characters and the shell-model-like structure describable by the exact treatment of the antisymtnetrization in the present model space; Kπ = 01+, 02+,03+,04+, 2- and 0- bands built on 01+ (g.s.), 02+ (6.72 MeV), 03+ (7.19 MeV), 04+ (∼8.3 MeV), 2- (4.97 MeV) and 1- (5.78 MeV) states, respectively. Level energies are calculated and compared with the observed ones. The analysis of the wave functions shows that the viewpoint of the cluster structure is indispensable to understand the essential characters of these rotational bands comprehensively.

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