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Am原子及其离子Amq+(q=1~6)的K,L,M-X射线跃迁能和跃迁几率的理论研究(英文)

N. J. Dalal 武中文 丁晓彬 颉录有 董晨钟

N. J. Dalal, 武中文, 丁晓彬, 颉录有, 董晨钟. Am原子及其离子Amq+(q=1~6)的K,L,M-X射线跃迁能和跃迁几率的理论研究(英文)[J]. 原子核物理评论, 2019, 36(1): 111-117. doi: 10.11804/NuclPhysRev.36.01.111
引用本文: N. J. Dalal, 武中文, 丁晓彬, 颉录有, 董晨钟. Am原子及其离子Amq+(q=1~6)的K,L,M-X射线跃迁能和跃迁几率的理论研究(英文)[J]. 原子核物理评论, 2019, 36(1): 111-117. doi: 10.11804/NuclPhysRev.36.01.111
N. J. Dalal, WU Zhongwen, DING Xiaobin, XIE Luyou, DONG Chenzhong. Theoretical Study on K, L, and M X-ray Transition Energies and Rates of Am and Its Ions Amq+(q=1~6)[J]. Nuclear Physics Review, 2019, 36(1): 111-117. doi: 10.11804/NuclPhysRev.36.01.111
Citation: N. J. Dalal, WU Zhongwen, DING Xiaobin, XIE Luyou, DONG Chenzhong. Theoretical Study on K, L, and M X-ray Transition Energies and Rates of Am and Its Ions Amq+(q=1~6)[J]. Nuclear Physics Review, 2019, 36(1): 111-117. doi: 10.11804/NuclPhysRev.36.01.111

Am原子及其离子Amq+(q=1~6)的K,L,M-X射线跃迁能和跃迁几率的理论研究(英文)

doi: 10.11804/NuclPhysRev.36.01.111
基金项目: 国家重点研发计划项目(2017YFA0402300);国家自然科学基金项目(11874051,U1832126,11804280,U1530142,91126007);西北师范大学青年教师科研能力提升计划资助项目(NWNU-LKQN-15-3)
详细信息
    作者简介:

    N. J. Dalal (1980-),Male (Sudan),Nyala,Ph.D.candidate on Northwest Normal University;E-mail:nurdalal@gmail.com

    通讯作者: 丁晓彬,E-mail:dingxb@nwnu.edu.cn;董晨钟,E-mail:dongcz@nwnu.edu.cn
  • 中图分类号: O562.1

Theoretical Study on K, L, and M X-ray Transition Energies and Rates of Am and Its Ions Amq+(q=1~6)

Funds: National Key Research and Development Program of China(2017YFA0402300); National Natural Science Foundation of China(11874051, U1832126,11804280, U1530142, 91126007); Young Teachers Scientific Research Ability Promotion Plan of Northwest Normal University(NWNU-LKQN-15-3)
  • 摘要: 使用基于Dirac-Hartree-Fock方法的Grasp2K程序包,计算了Am原子及离子的K,L,M-X射线的跃迁能和跃迁速率。在计算中,包括了Breit相互作用、真空极化和自能等重要效应。目前研究结果与已有的其他实验和理论结果相对误差约为0.04%。此外,我们还首次计算了从Am1+到Am6+离子的K,L,M-X射线的跃迁能和跃迁速率。相对于中性原子,来自低离化态的跃迁能相对于中性的相应跃迁线的能量仅有轻微的偏移,这反映出外层电子几乎不影响内壳层的跃迁性质。


    Transition energies and rates of K, L, and M X-ray lines from electric-dipole transition of americium have been calculated using GRASP2K code based on the Dirac-Hartee-Fock method. The effects of the Breit interaction, vacuum polarization and self energy were taken into account. It is found that the present results agree within 0.04% with other experimental and theoretical values. Furthermore, we also calculated transition energies and rates of the K-, L-, and M-shell hole states of americium ions with charge states Am1+-Am6+ for the first time. It is found that the transition energies and rates change slightly relative to the corresponding results of americium atoms, which indicates that the outermost electrons can hardly affect inner-shell transition properties.
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出版历程
  • 收稿日期:  2019-01-18
  • 修回日期:  2019-02-25
  • 刊出日期:  2019-03-20

Am原子及其离子Amq+(q=1~6)的K,L,M-X射线跃迁能和跃迁几率的理论研究(英文)

doi: 10.11804/NuclPhysRev.36.01.111
    基金项目:  国家重点研发计划项目(2017YFA0402300);国家自然科学基金项目(11874051,U1832126,11804280,U1530142,91126007);西北师范大学青年教师科研能力提升计划资助项目(NWNU-LKQN-15-3)
    作者简介:

    N. J. Dalal (1980-),Male (Sudan),Nyala,Ph.D.candidate on Northwest Normal University;E-mail:nurdalal@gmail.com

    通讯作者: 丁晓彬,E-mail:dingxb@nwnu.edu.cn;董晨钟,E-mail:dongcz@nwnu.edu.cn
  • 中图分类号: O562.1

摘要: 使用基于Dirac-Hartree-Fock方法的Grasp2K程序包,计算了Am原子及离子的K,L,M-X射线的跃迁能和跃迁速率。在计算中,包括了Breit相互作用、真空极化和自能等重要效应。目前研究结果与已有的其他实验和理论结果相对误差约为0.04%。此外,我们还首次计算了从Am1+到Am6+离子的K,L,M-X射线的跃迁能和跃迁速率。相对于中性原子,来自低离化态的跃迁能相对于中性的相应跃迁线的能量仅有轻微的偏移,这反映出外层电子几乎不影响内壳层的跃迁性质。


Transition energies and rates of K, L, and M X-ray lines from electric-dipole transition of americium have been calculated using GRASP2K code based on the Dirac-Hartee-Fock method. The effects of the Breit interaction, vacuum polarization and self energy were taken into account. It is found that the present results agree within 0.04% with other experimental and theoretical values. Furthermore, we also calculated transition energies and rates of the K-, L-, and M-shell hole states of americium ions with charge states Am1+-Am6+ for the first time. It is found that the transition energies and rates change slightly relative to the corresponding results of americium atoms, which indicates that the outermost electrons can hardly affect inner-shell transition properties.

English Abstract

N. J. Dalal, 武中文, 丁晓彬, 颉录有, 董晨钟. Am原子及其离子Amq+(q=1~6)的K,L,M-X射线跃迁能和跃迁几率的理论研究(英文)[J]. 原子核物理评论, 2019, 36(1): 111-117. doi: 10.11804/NuclPhysRev.36.01.111
引用本文: N. J. Dalal, 武中文, 丁晓彬, 颉录有, 董晨钟. Am原子及其离子Amq+(q=1~6)的K,L,M-X射线跃迁能和跃迁几率的理论研究(英文)[J]. 原子核物理评论, 2019, 36(1): 111-117. doi: 10.11804/NuclPhysRev.36.01.111
N. J. Dalal, WU Zhongwen, DING Xiaobin, XIE Luyou, DONG Chenzhong. Theoretical Study on K, L, and M X-ray Transition Energies and Rates of Am and Its Ions Amq+(q=1~6)[J]. Nuclear Physics Review, 2019, 36(1): 111-117. doi: 10.11804/NuclPhysRev.36.01.111
Citation: N. J. Dalal, WU Zhongwen, DING Xiaobin, XIE Luyou, DONG Chenzhong. Theoretical Study on K, L, and M X-ray Transition Energies and Rates of Am and Its Ions Amq+(q=1~6)[J]. Nuclear Physics Review, 2019, 36(1): 111-117. doi: 10.11804/NuclPhysRev.36.01.111
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