轴对称超形变和三轴超形变核态性质的研究  

Study of Nuclear Behavior in Axially-Symmetric Superdeformation and Triaxial Superdeformation

作　　者：徐进章[1] 王子兴[2] 陈星蕖[1,2] 陈星蕖 邢正[3,1,2] 邢正[3,1,2] 邢正 

机构地区：[1]兰州大学现代物理系,兰州730000 [2]中国科学院上海原子核研究所,上海201800 [3]兰州重离子加速器国家实验室原子核理论研究中心,兰州730000

出　　处：《高能物理与核物理》1999年第11期1102-1107,共6页High Energy Physics and Nuclear Physics

基　　金：国家自然科学基金;核工业科学基金

摘　　要：利用轴对称超形变和三轴超形变模型研究了(１６５)Ｌｕ　π［６６０１／２］带．两种模型计算的γ跃迁能量都和实验值较好地符合．然而，能量的ｓｉｇｎａｔｕｒｅ颤动指数，三轴因子，两类动力学电四极矩之比存在明显的差别，这些差别可以用来识别三轴超形变核态．Using axially-symmetric and triaxial superdeformed models [660 1/2] bandin 165Lu is investigated. The observed transition energies can be reproduced quite well in both models. However, the signature staggering index, triaxiality factor andthe ratio of dynamical quadrupole moment to in axially-symmetricsuperdeformed model are obviously different from those in triaxial superdeformedmodel, which may be used to identify the deviation of nuclear shape from axialsymmetry. Thus, the energy spectra are not decisive to draw the nuclear shape.Emphasis must be Placed on the properties of electromagnetic transitions.

关 键 词：原子核结构 粒子-转子模型 三轴超形变 

分 类 号：O571.21[理学—粒子物理与原子核物理]