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原子核^(145)Tb的多准粒子激发态 被引量:1

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摘要 利用能量为165 MeV的32S束流, 通过反应118Sn(32S, 1p4n)布居了145Tb的高自旋态. 基于标准在束核谱学实验测量结果, 首次建立了激发能高达 7.4 MeV的145Tb能级纲图. 145Tb的能级结构具有球形原子核的特征, 其高自旋态是由单粒子激发形成的. 根据邻近N = 80同中子素核结构的系统性, 采用一个11/2h价质子与偶偶核芯144Gd的弱耦合很好地解释了145Tb激发能在2 MeV以下的能级结构. 利用多准粒子壳模型组态解释了激发能在2 MeV以上的晕态和部分近晕态能级.
出处 《中国科学(G辑)》 CSCD 2004年第3期325-334,共10页
基金 国家自然科学基金(批准号:10005012) 国家重点基础研究发展规划基金资助项目
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同被引文献16

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