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Specific heat capacity and phase transition on 148-158Sm nuclei in microscopic core plus two-quasiparticle model
Author(s): 
Pages: 42-47
Year: Issue:  1
Journal: ACTA PHYSICA SINICA

Keyword:  微观核芯+两准粒子模型比热容相变148-158 Sm同位素;
Abstract: 应用微观核芯+两准粒子模型制备偶148-158Sm同位素的零温度能谱, 其基态带、β带、γ带和部分高自旋态能谱值与最新实验结果符合得较好; 采用正则系综理论, 计算出核的有限温度比热容.基于比热容峰是相变信号,给出了统一描述核发生热激发模式相变、从核超流相到正常相相变和核形状相变的可能性.讨论了两准粒子顺排态能量和指认, 以及核形状的热稳定性.
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