The Three-Alpha Faddeev Calculation on ^<12>C Bound States with a Pauli Correct Alpha-Alpha Potential : Nuclear Physics
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概要
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The three-alpha model of ^<12>C is investigated by the Faddeev formalism with the UIM alpha-alpha potential, in which the Pauli effect between two-alpha system was taken into account adequately. The potential can reproduce the on-and off-shell effects of the alpha-alpha interaction by the rank-4 separable type for the S-wave, the rank-3 one for the D-wave, and the rank-2 one for the G-wave, in which two of the ranks in the S-wave, and one in the D-wave are prepared to eliminate the Pauli forbidden states. We obtained three even state J^π=0^+,2^+,4^+,and two odd states 1^-, 3^-, below the alpha ^8Be(0^+g.s) threshold energy. The even parity states gain larger binding energies than those which have been obtained by former Faddeev calculation with the rank-1 Kukulin and Neudatchin (KN) potential. On the other hand, for the odd parity states, we obtained smaller binding energies than the former one. It is found that our Faddeev calculation with the UIM potential does not miss any important low-lying levels of ^<12>C, in which any spurious states do not appear.
- 理論物理学刊行会の論文
- 1986-12-25
著者
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KAMADA Hiroyuki
Department of Pharmacology, Gifu Pharmaceutical University
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Kamada Hiroyuki
Department Of Physics Faculty Of Science And Technology Science University Of Tokyo
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Oryu Shinsho
Department Of Physics Faculty Of Science And Technology Science University Of Tokyo
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KAMADA Hiroyuki
Department of Physics, Faculty of Engineering, Kyushu Institute of Technology
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