Wobbling motion for a triaxial rotor plus a single quasiparticle* * Supported by the National Natural Science Foundation of China (12205103, 12175071)

IF 3.6 2区物理与天体物理 Q1 PHYSICS, NUCLEAR

中国物理C Pub Date : 2024-03-01 DOI:10.1088/1674-1137/ad18d2

Si-Hua Li, Hua-Ming Dai, Qi-Bo Chen, Xian-Rong Zhou

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Abstract

Wobbling motion in a system comprising a triaxial rotor and a single quasiparticle is studied employing the particle-rotor model. The energy spectra, wobbling frequencies, electromagnetic transition probabilities, g-factors, angular momentum components, spin coherent state maps, and static quadrupole moments are investigated. These investigations were conducted with regard to the Fermi surface transitioning from the lowest

orbit to the highest one. As the Fermi surface increases, notable transformations occur in the wobbling mode. Initially, the mode exhibits a transverse revolution around the short axis of the nucleus. However, as the Fermi surface continues to increase, the mode gradually shifts to a longitudinal revolution around the intermediate axis. Eventually, it transitions to a transverse revolution around the long axis. Notably, the stability of the long axis transverse mode diminishes relative to its counterpart along the short axis as the total angular momentum increases at

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三轴转子加单一准粒子的摆动运动* * 国家自然科学基金资助项目（12205103，12175071）

利用粒子-转子模型研究了由三轴转子和单个准粒子组成的系统中的摆动运动。研究了能谱、摆动频率、电磁转换概率、g 因子、角动量分量、自旋相干态图和静态四极矩。这些研究是针对从最低轨道过渡到最高轨道的费米面进行的。随着费米面的增加，摆动模式发生了显著的变化。最初，该模式表现为围绕原子核短轴的横向旋转。然而，随着费米面的继续增大，该模式逐渐转变为围绕中间轴的纵向旋转。最终，它过渡到绕长轴的横向旋转。值得注意的是，随着总角动量在 .

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来源期刊

中国物理C 物理-物理：核物理

CiteScore

6.50

自引率

8.30%

发文量

8976

审稿时长

1.3 months

期刊介绍： Chinese Physics C covers the latest developments and achievements in the theory, experiment and applications of: Particle physics; Nuclear physics; Particle and nuclear astrophysics; Cosmology; Accelerator physics. The journal publishes original research papers, letters and reviews. The Letters section covers short reports on the latest important scientific results, published as quickly as possible. Such breakthrough research articles are a high priority for publication. The Editorial Board is composed of about fifty distinguished physicists, who are responsible for the review of submitted papers and who ensure the scientific quality of the journal. The journal has been awarded the Chinese Academy of Sciences ‘Excellent Journal’ award multiple times, and is recognized as one of China''s top one hundred key scientific periodicals by the General Administration of News and Publications.