New Constraint of Clustering for AMD and Its Application to the Study of 2α-12C Structure of 20Ne
Yasutaka Taniguchi, Masaaki Kimura, Hisashi Horiuchi
Abstract
A new constraint of clustering for the AMD calculation is proposed. This new constraint gives us large improvement in studying the cluster structure by AMD which sometimes meets difficulty in giving rise to some specific cluster configurations. The usefulness of this new constraint is verified by applying it to the the study of the third Kπ= 0+ band of 20Ne which has been discussed to have 2α-12C structure. This band has not been easy even to construct by AMD. We see that the AMD+GCM calculation by the use of the new constraint gives rise to the third Kπ= 0+ band which contains the 2α-12C structure as an important component.
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