Description of the critical point symmetry in 124Te by IBM-2

论文摘要

Based on the neutron and proton degrees of freedom, low-lying energy levels, E2, M1, and E0 transition strengths of nucleus 124Te have been calculated by the neutron-proton interacting boson model. The calculated results are reasonably consistent with the experimental data. By comparing the key observables of the states at the critical point of Uπv（5）-Oπv（6） transition with the experimental data and calculated results, we show that the 124Te is a possible nucleus at the critical point of the second-order phase transition from vibration to unstable rotation, and such a critical point exhibits slight triaxial rotation. The 02+ state of 124Te can be interpreted as the lowest state of the first-excited family of the intrinsic levels in the critical point symmetry.

论文目录

文章来源

类型: 期刊论文

作者: 张大立,穆成富

来源: Chinese Physics C 2019年02期

年度: 2019

分类: 基础科学,工程科技Ⅱ辑

专业: 物理学,核科学技术

单位: Department of Physics, Huzhou University

基金: Supported by the National Natural Science Foundation of China(11475062,11147148,11747312)

分类号: O571

页码: 107-114

总页数: 8

文件大小: 756K

下载量: 5

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