首页|Revisiting the island of hexadecapole-deformation nuclei in the A≈150 mass region:focusing on the model application to nuclear shapes and masses

Revisiting the island of hexadecapole-deformation nuclei in the A≈150 mass region:focusing on the model application to nuclear shapes and masses

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Based on the potential-energy-surface calculation,the impact of different deformation degrees of freedom on a single-particle structure and binding energies in nuclei around 152Nd,located on one of the hexadecapole-deformation islands,is analyzed in a multi-dimensional deformation space.Various energy maps,curves and tables are presented to indicate nuclear properties.The calculated equilibrium deformations and binding energies with different potential parameters are compared with experimental data and other theories.It is found that the inclusion of the hexadecapole deformations,especially the axial one,can improve the theoretical description of both nuclear shapes and masses.In addition,our calculated potential-energy curve shows that a critical deformation-point,β2～0.4,exists—the triaxial(hexadecapole)deformation effect can be neglectable but the hexadecapole(triaxial)one plays an important role before(after)such a critical point.

hexadecapole deformationbinding energypotential-energy-surface calculationnuclear property

Xiao-Yang Wei、Hua-Lei Wang、Zhen-Zhen Zhang、Min-Liang Liu

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School of Physics and Microelectronics,Zhengzhou University,Zhengzhou 450001,China

Key Laboratory of High Precision Nuclear Spectroscopy,Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China

School of Nuclear Science and Technology,University of Chinese Academy of Sciences,Beijing 100049,China

国家自然科学基金国家自然科学基金国家自然科学基金Physics Research and Development Program of Zhengzhou UniversityProject of Youth Backbone Teachers of Colleges and Universities of Henan Province

11975209U203221112 075 287324100172017GGJS008

2024

10.1088/1572-9494/ad19d7

理论物理通讯(英文版)
中国科学院理论物理研究所 中国物理学会

理论物理通讯(英文版)

CSTPCD
影响因子：0.333
ISSN：0253-6102
年,卷(期)：2024.76(2)
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