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N=127同中子核素激发态的RMF理论研究
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作者 孙琴 郭建友 《原子核物理评论》 CAS CSCD 北大核心 2009年第3期183-187,共5页
在球形相对论平均场模型下,采用PK1和NL3相互作用,对N=127同中子核素的基态和低激发态进行了研究,获得了价核子的激发能及中子、质子和最后一个中子的密度分布,指出209Pb的3d5/2,4s1/2和3d3/2激发态可能存在一个中子晕结构,207Hg,208Tl,... 在球形相对论平均场模型下,采用PK1和NL3相互作用,对N=127同中子核素的基态和低激发态进行了研究,获得了价核子的激发能及中子、质子和最后一个中子的密度分布,指出209Pb的3d5/2,4s1/2和3d3/2激发态可能存在一个中子晕结构,207Hg,208Tl,210Bi和211Po的3d5/2,4s1/2及3d3/2激发态也可能存在一个中子晕结构。 展开更多
关键词 相对论平均场 同中子核素 激发态晕
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Shell Model Description of Neutron-Deficient Sn Isotopes
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作者 Erdal Dikmen 《Communications in Theoretical Physics》 SCIE CAS CSCD 2009年第5期899-903,共5页
The shell model calculations in the sdgh major shell for the neutron-deficient ^106,107,108,109Sn isotopes have been carried out by using CD-Bonn and Nijmegenl two-body effective nucleon-nucleon interactions. The sing... The shell model calculations in the sdgh major shell for the neutron-deficient ^106,107,108,109Sn isotopes have been carried out by using CD-Bonn and Nijmegenl two-body effective nucleon-nucleon interactions. The singleshell states and the corresponding matrix elements needed for describing Sn isotopes are reconstructed to calculate the coefficient of fractional parantage by reducing the calculation requirements. This reconstruction allows us to do the shell model calculations of the neutron deficient Sn isotopes in very reasonable time. The results are compared to the recent high-resolution experimental data and found to be in good agreement with experiments. 展开更多
关键词 shell model low-lying states effective interactions
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