- Conference date: 15–19 October 2012
- Location: Beijing, China
Gas-like α cluster states are investigated in with the use of 4α OCM (Orthogonality Condition Model) and GEM (Gauss Expansion Method). α-particle condensed state is found slightly above the 4α threshold as the state. The candidates of the rotational states are also found at a few MeV above the condensate. The state is shown to have an analogue structure to the Hoyle state and its relation with the α+ Hoyle -like rotatinal states is also discussed. We further investigate the ground-state band in by using the THSR-type wave function, which has been used for gas-like α cluster states. It is found that the single THSR wave function can describe well the corresponding states of the ground-state band in , which indicates that even for describing non-gas-like cluster states the density parameter of the nucleus, which characterizes the THSR wave function, is more reasonable than the inter-cluster distance parameter, which characterizes the ordinary cluster model wave function.
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