Extended Cluster Model for Light, and Medium Nuclei

Details Extended Cluster Model for Light, and Medium Nuclei Extended Cluster Model for Light, and Medium Nuclei

2007-07-09

arxiv.org/abs/0707.1212v2

Physics

Nuclear Physics

Nuclear Theory

8-pages, 5-figures

Scientific paper

The structures, the electromagnetic transitions, and the beta decay strengths of exotic nuclei are investigated within an extended cluster model. We start by deriving an effective nuclear Hamiltonian within the $S_2$ correlation operator. Tensor forces are introduced in a perturbative expansion which includes up to the second order terms. Within this Hamiltonian we calculate the distributions and the radii of A=3,~4 nuclei. For exotic nuclei characterized by n valence protons/neutrons we excite the structure of the closed shell nuclei via mixed modes formed by considering correlations operators of higher order. Good results have been obtained for the calculated transitions and for the beta decay transition probabilities.

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