Dynamical Anharmonicity Effects in Low-Lying Negative-Parity States of Odd-Mass Sn Isotopes
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概要
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The dynamical anharmonicity effect due to the couplings between the pairing vibrational modes and the quadrupole correlation modes is investigated by carrying out quasiparticle-shell-model calculations for low-lying negative-parity states in odd-mass Sn isotopes. A special attention is paid to the degenerate 11/2_2^-, 13/2_1^- and 15/2_1^- levels in ^<117>Sn and our calculations well reproduce these levels. The results show that the dynamical anharmonicity effect plays an essential role for formation of an approximately degenerate quintet of 7/2^-〜15/2^- states, but among them the 11/2_2^- state has a property somewhat different from other four states.
- 理論物理学刊行会の論文
- 1979-08-25
著者
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Kaneko Kazunari
Department Of Pediatrics Juntendo University School Of Medicine
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TAKADA Kenjiro
Department of Physics, Kyushu University
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Tazaki Shigeru
Department Of Applied Physics Fukuoka University
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Takada Kenjiro
Department Of Physics Kuushu University
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KANEKO Kunihiko
Department of Pure and Applied Sciences, University of Tokyo
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KANEKO Kazunari
Department of Physics, Kyusyu University
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