可能的原子核形状及硬度演化性质:基于能量面计算的系统分析(英文)

孟海燕; 王华磊; 柴清祯; 张莎; 杨婕; 柳敏良

doi:10.11804/NuclPhysRev.34.03.481

可能的原子核形状及硬度演化性质:基于能量面计算的系统分析(英文)

1.
郑州大学物理工程学院, 郑州 450001;
2.
中国科学院近代物理研究所, 兰州 730000

基金项目: 国家自然科学基金资助项目（11675148）；郑州大学优秀青年教师发展基金（1521317002）；郑州大学物理学科推进计划项目（32410017）；河南省基础与前沿技术研究计划项目（162300410222）

详细信息

通讯作者:
王华磊,E-mail:wanghualei@zzu.edu.cn

中图分类号: O571.42
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出版历程
- 收稿日期: 2016-10-29
- 修回日期: 2017-04-18
- 刊出日期: 2017-07-17

Possible Properties on Nuclear Shape and Stiffness Evolution:A Systematic Analysis Based on Nuclear-Energy-Surface Calculations

1.
School of Physics and Engineering, Zhengzhou University, Zhengzhou 450001, China;
2.
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Funds: National Natural Science Foundation of China(11675148); Outstanding Young Talent Research Fund of Zhengzhou University (1521317002); Physics Research and Development Program of Zhengzhou University (32410017); Foundation and Advanced Technology Research Program of Henan Province (162300410222)

More Information

Corresponding author:
WANG Hualei: 10.11804/NuclPhysRev.34.03.481

摘要

摘要: 基于（β₂，γ，β₄）形变空间下对-形变自洽的原子核能量面计算方法，系统研究分析了50 < Z < 82区偶偶核的形状及硬度演化特征。计算的平衡形变与其它理论预言及存在的实验值进行了对比。从相应的形变势能曲线提取了与β₂及γ相关的硬度参数C_β，C_γ，这与实验观测到的低位β及γ振动带信息相符。还简要讨论了转动情况下的硬度演化，例如基于蜈蚣型E-GOS曲线，表明存在不可忽略的振动效应。

Nuclear shape and stiffness evolutions in even-even nuclei with 50 < Z < 82 are systematically analyzed in terms of the pairing-deformation self-consistent nuclear-energy-surface calculation in (β₂,γ,β₄) deformation space. Calculated equilibrium deformations are presented and compared with other theoretical predictions and available experimental data. The stiffness parameters C_β and C_γ respectively related to quadrupole deformations β₂ and γ are determined from the deformation energy curves, which are consistent with the observed low-lying β and/or γ bands. The stiffness evolution under rotation along the yrast line is briefly discussed, e.g., on the basis of the centipidelike E-GOS curves, showing an unnegligible vibration effect.
- 核形状 /
- 硬度参数 /
- 核能量面计算
Abstract: Nuclear shape and stiffness evolutions in even-even nuclei with 50 < Z < 82 are systematically analyzed in terms of the pairing-deformation self-consistent nuclear-energy-surface calculation in (β₂,γ,β₄) deformation space. Calculated equilibrium deformations are presented and compared with other theoretical predictions and available experimental data. The stiffness parameters C_β and C_γ respectively related to quadrupole deformations β₂ and γ are determined from the deformation energy curves, which are consistent with the observed low-lying β and/or γ bands. The stiffness evolution under rotation along the yrast line is briefly discussed, e.g., on the basis of the centipidelike E-GOS curves, showing an unnegligible vibration effect.
- nuclear shape /
- stiffness parameter /
- nuclear-energy-surface calculation

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施引文献(3)

期刊类型引用(2)

1.	Hui-Fang Li, Hua-Lei Wang, Min-Liang Liu. Nuclear collectivity in the even–even ~(164-178)Yb along the yrast line. Nuclear Science and Techniques. 2019(01): 86-93 . 必应学术
2.	Qing-Zhen Chai, Wei-Juan Zhao, Hua-Lei Wang, Min-Liang Liu. Possible observation of shape-coexisting configurations in even–even midshell isotones with N=104:a systematic total Routhian surface calculation. Nuclear Science and Techniques. 2018(03): 68-77 . 必应学术