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L壳层双洞态氩离子的退激发及末电离态分布的研究
Cascade decays and final-charge-state distributions of argon ions with two hollows in L-shell
【摘要】 基于洞原子退激发的辐射-俄歇级联退激发模型(radiative-Auger cascade model简称RAC模型),本文详细研究了Ar2+(2s-2)、Ar2+(2s-12p-1)和Ar2+(2p-2)三种离子的退激发过程及其末电离态离子分布,讨论了末电离态离子分布随初态洞的深浅变化的规律.结果表明:随着初态洞分布的变浅,退激发过程变简单,退激发后产生的高离化度离子分布降低,低离化度离子分布增大.
【Abstract】 In this paper,the decay processes of Ar2+(2s-2)、Ar2+(2s-12p-1) and Ar2+(2p-2) with two holes in L-shell are studied by the radiative-Auger cascade model(RAC),their final-charge-state distributions(FCSD) are obtained.It is found that the initial vacancies are shallower,its decay process are more simpler and the population of higher charge states is lower than the lower charge states.
【关键词】 洞原子(或离子);
RAC模型;
退激发树;
末电离态离子分布;
【Key words】 hollow atoms(or ions); RAC decay model; de-excitation tree; FCSD;
【Key words】 hollow atoms(or ions); RAC decay model; de-excitation tree; FCSD;
【基金】 国家自然科学基金(10434100,10774122);高等学校博士学科点科研基金(20070736001);兰州重离子加速器国家实验室原子核理论中心基金;西北师范大学科技创新工程项目(NWNU-KJCXGC-03-21)
- 【文献出处】 原子与分子物理学报 ,Journal of Atomic and Molecular Physics , 编辑部邮箱 ,2008年03期
- 【分类号】O562.1
- 【被引频次】3
- 【下载频次】28