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中文摘要：
利用能量为50MeV的^12C束流，通过反应^130Te（^12C，3n）布居了^139Ce的高自旋态．基于标准在束核谱学实验测量结果，扩展并更新了^139Ce的能级纲图．^139Ce的能级结构具有球形原子核的典型特征，其高自旋态由单粒子激发形成．利用经验壳模型计算了^139Ce的多准粒子激发态能量，研究了其高自旋激发态的多准粒子特性．
英文摘要：
High-spin states in ^139Ce have been populated using the ^139Te（^12C, 3n） reaction at beam energy of 50MeV. The level scheme of ^139Ce has been revised and extended greatly up to E=5765.0keV. The level structure of ^139Ce shows typical characteristics of spherical nucleus, and the high-spin states were formed by the excitations of valence nucleons. Energies of the yrast and near yrast high-spin states in ^139Ce have been calculated by the empirical shell model, and the multi-quasiparticle nature of high-spin excited states has been discussed.
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