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Core-Excitation Three-Cluster Model of Borromean Nuclei |
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| Authors: | H. Kamada J. Furuya M. Yamaguchi E. Uzu |
| Affiliation: | 1. Department of Physics, Faculty of Engineering, Kyushu Institute of Technology, 1-1 Sensuicho, Tobata, Kitakyushu, 804-8550, Japan 2. Research Center for Nuclear Physics, Osaka University, Ibaraki, 567-0047, Japan 3. Liberal Arts, Faculty of Engineering Division 2, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan |
| Abstract: | A new model of the core-nucleus and two-neutron system is introduced. The Faddeev equations of the 6He-n-n, 8He-n-n and 9Li-n-n systems for 8He, 10He and 11Li are solved, respectively. The potential of the subsystem in the model has been constructed to make couplings of the ground state and the excited one inside the core-nucleus. Simple rank one separable Yamaguchi-type potentials between the core-nucleus and neutron are employed with the coupling strength determined from the energy levels and width. We solve the Faddeev three-cluster equations to obtain the low-lying energy levels of 8He, 10He and 11Li. In order to understand the nuclear structures we calculate some inner wave functions and probabilities. |
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