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奇A Tm同位素链及[411 1/2]带退耦参数性质的研究
Study of Odd-A Tm Isotopic Chain Propertiesof Decoupling parameter of [411 1/2]
【摘要】 用准粒子组态相关的宏观一微观推转模型计算了奇A核 ̄(157一173)Tm同位素链的基态、低激发态形变以及这些核的[4111/2]奇质子带的退耦参数,并与实验结果进行了比较,着重分析了γ形变对奇ATm同位素链的退耦参数的影响,进而指出 ̄(157)Tm的退耦参数异常可能是由于带相互作用引起的,讨论了退耦参数对Nilsson参数和形变参数的敏感程度。
【Abstract】 The deformations of the ground and low-lying excited states of the odd-A 157-173, Tm isotopic chain are calculated using the Macro-Micro Cranking Model with quasiparticle configuration. Then the decoupling parameters (DPs) of 157 -173 Tm of [411 1/ 2] odd proton band . calculated and compared with the experimental results. .It isemphasized that the effect of DPs of the odd-A Tm isotopic chain is caused by the γ deformation. It is pointed out that the anomalous DP of 157 ,Tm might be caused by the band-interacting The sensitivity of the DPs to the Nilsson parameter and deformation parameters is also discussed.
- 【文献出处】 高能物理与核物理 ,HIGH INERGY PHYSICS AND NUCLEAR PHYSICS , 编辑部邮箱 ,1997年09期
- 【分类号】O571.2
- 【被引频次】2
- 【下载频次】25