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在反射不对称壳模型理论框架内研究了A≈144的丰中子核的八极形变。对这个核区八极形变核的单粒子能级进行了详细的探讨,给出了合理的Nilsson单粒子能级(图1)。系统研究了A≈144核区丰中子偶偶核Ba同位素的八极形变带的宇称劈裂及其反转的系统变化(图2),探讨了宇称劈裂及其反转的影响因素。开展了A≈144核区奇A核八极形变带的系统性研究,理论上计算了实验观测到的典型八极形变核的s=±i宇称双重
The octupole deformation of a ≈144 abundance neutron nuclei has been studied in the framework of the reflection-asymmetric shell model. The single-particle level of the octapolar core in this nuclear region is discussed in detail, and a reasonable Nilsson single-particle level is given (Figure 1). The systematic study of the parity splitting and its inversion of the octopole band of the Ba isotopes of the a ≈144 nuclear abundance neutron pair was systematically studied (Fig. 2). The influencing factors of the parity splitting and its inversion . A systematic study of the odd-A-octapolar bands in the A≈144 core region has been carried out. The theoretical octagonal deformed cores observed in the experiment are s = ± i