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从理论上研究了187,189Tl的原子核形状,形变和对力由形状对关联自洽方法处理.通过理论计算给出了总的位能面(TRS),单粒子能量由形变的Woods-Saxon势得到,对力由Lipkin-Nogami(LN)方法处理.实验结果在计算中得到了很好的重现.集体扁椭球转动和高K长椭球转动同时存在于187,189Tl原子核中,计算中还预言了超形变长椭球形状的形变参数,分析了原子核转动惯量变化的微观机制,对187,189Tl原子核的形状的形成和演化给出了一些理论解释.
In theory, the shape, deformation and force of nuclei of 187 and 189Tl are dealt with by self-consistent shape-pair method.The total energy surface (TRS) is given theoretically and the single-particle energy is obtained from the deformed Woods-Saxon potential. The force is dealt with by the Lipkin-Nogami (LN) method.The experimental results are well reproduced in the calculation.The collective ellipsoidal rotation and high-K ellipsoidal rotation exist both in the 187 and 188Tl nuclei, and the calculation also predicts The deformation mechanism of super-deformed ellipsoid shape is analyzed. The microscopic mechanism of the change of atomic moment of inertia is analyzed. Some theoretical explanations are given for the formation and evolution of 187,189Tl nuclei.