Tensor Correlation in ^4He and Its Effect on the Doublet Splitting in ^5He(Nuclear Physics)
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概要
- 論文の詳細を見る
We investigate the role of tensor correlation on the structures of ^4He and its effect on the doublet splitting in ^5He. We perform a configuration mixing calculation in the shell model type bases to represent the tensor correlation for ^4He. It is found that our model describes the characteristics of the tensor correlation, which is represented by an admixture of the Os_<1/2> configuration with a spatially modified Op_<1/2> orbit. For ^5He, we solve a coupled OCM equation for an extended ^4He+n model, while taking into account the tensor correlation in the ^4He cluster. It is shown that the tensor correlation produces the Pauli blocking, in particular, for the J^π=1/2^-state, and its effect causes about half of the p-wave doublet splitting in ^5He. This indicates that the strength of the effective spin-orbit interaction should be reduced by about half from the conventional one. We obtain a reliable ^4He-n interaction, including the tensor correlation, which further improves the behavior of the d- and f-wave phase shifts in the ^4He+n system.
- 理論物理学刊行会の論文
- 2005-04-25
著者
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IKEDA Kiyomi
The Institute of Physical and Chemical Research (RIKEN)
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MYO Takayuki
General Education, Faculty of Engineering, Osaka Institute of Technology
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Myo Takayuki
Research Center For Nuclear Physics (rcnp) Osaka University:general Education Faculty Of Engineering
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Kato Kiyoshi
Division Of Physics Graduate School Of Science Hokkaido University
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Myo Takayuki
Osaka Institute Of Technology
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MYO Takayuki
Research Center for Nuclear Physics (RCNP), Osaka University:General Education, Faculty of Engineering, Osaka Institute of Technology
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KATO Kiyoshi
Division of Endocrinology and Metabolism, Department of Homeostatic Regulation and Development, Niigata University Graduate School of Medical and Dental Sciences
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