Journal
PHYSICAL REVIEW C
Volume 89, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.89.034319
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Funding
- National Natural Science Foundation of China [11035001, 10975072, 10735010, 11375086, 11175085, 11235001, 11120101005]
- 973 Program of China [2010CB327803, 2013CB834400]
- CAS [KJCX2-SW-N02]
- Research Fund of Doctoral Point (RFDP) [20100091110028]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Grants-in-Aid for Scientific Research [23224008, 26400283] Funding Source: KAKEN
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A container picture is proposed for understanding cluster dynamics where the clusters make nonlocalized motion occupying the lowest orbit of the cluster mean-field potential characterized by the size parameter B in the Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function. The nonlocalized cluster aspects of the inversion-doublet bands in Ne-20 which have been considered as a typical manifestation of localized clustering are discussed. An as-yet-unexplained puzzling feature of the THSR wave function, namely that after angular-momentum projection for two-cluster systems the prolate THSR wave function is almost 100% equivalent to an oblate THSR wave function, is clarified. It is shown that the true intrinsic two-cluster THSR configuration is nonetheless prolate. The proposal of the container picture is based on the fact that typical cluster systems, 2 alpha, 3 alpha, and O-16 + alpha, are all well described by a single THSR wave function. It is shown for the case of linear-chain states with 2- and 3 alpha clusters, as well as for the O-16 + alpha system, that localization is entirely of kinematical origin, that is, attributable to the intercluster Pauli repulsion. It is concluded that this feature is general for nuclear cluster states.
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