Chapter VII Negative-Parity States of the Alpha Particle
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概要
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Variational calculations are made by the use of the Hamada-Johnston potential for the T=0 negative-parity states of the alpha particle on the basis of the ATMS method. Total energies obtained as the upper-bound are -6.4 MeV, -2.9 MeV and +2.1 MeV for the 0^-, 2^- and 1^- levels, respectively. The observed energy spectrum is reproduced reasonably. The physical picture in ATMS is found to be valid not only in the ground state but in the excited states. The tensor force in the triplet-even state plays an essential role in the binding mechanism of the excited states. The content of the energies has a close resemblance to that of the triton, which suggests a cluster-like structure such as p-^<3>H or n-^<3>He. The even-state forces as well as the odd-state ones contribute to the splitting among the 0^-, 1^- and 2^-states. This mechanism is different from that in the 1p-1h model where the splitting is caused only from the odd-state forces.
- 理論物理学刊行会の論文
- 1975-07-05
著者
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Tanaka Hajime
Department of Pharmacology, Faculty of Pharmaceutical Sciences, Setsunan University, Japan
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AKAISHI Yoshinori
Department of Physics, Hokkaido University
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Akaishi Yoshinori
Department Of Physics Hokkaido University
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Tanaka Hajime
Department Of Applied Physics Faculty Of Engineering University Of Tokyo
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SAKAI Motoki
Department of Physics, Hokkaido University
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Sakai Motoki
Department Of Physics Hokkaido University
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Tanaka Hajime
Department Of Applied Physics And Applied Mechanics Institute Of Industrial Science University Of To
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