The two-neutron halo nucleus~ (11)Li has been investigated in this work. Jacobi coordinates is used to describe the three-body system, using two configurations that are the T-configuration and Y-configuration. The calculations have been calculated based on a cluster model. The 11Li nucleus is considered as three-body system core (~ 9Li)+n+n. The core here has been considered as a deformed core. The calculations confirmed that the core has some deformation and has an oblate shape which in turn has effects on the structure of three-body system.
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机译：这项工作已研究了两个中子晕核（11）Li。 Jacobi坐标用于描述三体系统，其中使用了T形和Y形两种配置。这些计算是基于聚类模型计算的。 11Li核被视为三体系统核心（〜9Li）+ n + n。这里的芯被认为是变形芯。计算结果表明，芯体有些变形，呈扁圆形，进而影响了三体系统的结构。
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