Relationships Between the Gap at Z=64 Subshell and the Abrupt Transition in the Region of N=88~90

Sang Jianping; Liu Chaoshan; Liu Yong

Chinese Physics C> 1991, Vol. 15> Issue(S2) : 173-181

Relationships Between the Gap at Z=64 Subshell and the Abrupt Transition in the Region of N=88~90

Yong Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China

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The onset of deformation in the N=88~90 region and the effects of the gap at the Z=64 subshell on nuclear structure are investigated in a microscopic approach of the interacting boson model. Besides the n-p interaction, the distribution of single particle levels in the shell model space also is found to play a direct and important role in the rapid transition of the spectrum structure. For Nd~Dy nuclei,the calculations show excellent agreement with the experimental energy systematics.

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Sang Jianping, Liu Chaoshan and Liu Yong. Relationships Between the Gap at Z=64 Subshell and the Abrupt Transition in the Region of N=88~90[J]. Chinese Physics C, 1991, 15(S2): 173-181.

Sang Jianping, Liu Chaoshan and Liu Yong. Relationships Between the Gap at Z=64 Subshell and the Abrupt Transition in the Region of N=88~90[J]. Chinese Physics C, 1991, 15(S2): 173-181. shu

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Received: 1990-06-06

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Relationships Between the Gap at Z=64 Subshell and the Abrupt Transition in the Region of N=88~90

Yong Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China

Received Date: 1990-06-06

Abstract: The onset of deformation in the N=88~90 region and the effects of the gap at the Z=64 subshell on nuclear structure are investigated in a microscopic approach of the interacting boson model. Besides the n-p interaction, the distribution of single particle levels in the shell model space also is found to play a direct and important role in the rapid transition of the spectrum structure. For Nd~Dy nuclei,the calculations show excellent agreement with the experimental energy systematics.