Acta Photonica Sinica, Volume. 45, Issue 12, 1202001(2016)
Theoretical Study on the Valence-shell Photoionization of Na Atoms and Na-like Fe15+ Ions
Calculations of photoionization cross sections for Na atoms and Na-like Fe15+ ions were carried out in the framework of relativistic multiconfiguration Dirac-Fock method. For Na atoms, comparisons were made with previous theoretical calculations and available experimental measurements and a good or at least reasonable agreement is found if the relativistic and relaxation effects are taken into account. It is shown that, for the outermost valence electrons of medium Fe15+ ions, the relativistic effects accounts for a prominent part in the photoionization process and orbital relaxation can be negligible; however it is not the same case for neutral Na atoms where the influence of orbital relaxations is significant but cross sections slightly depend on the relativistic effects.
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LIU Xiao-bin, SHI Ying-long, XING Yong-zhong, LU Fei-ping, CHEN Zhan-bin. Theoretical Study on the Valence-shell Photoionization of Na Atoms and Na-like Fe15+ Ions[J]. Acta Photonica Sinica, 2016, 45(12): 1202001
Received: Jun. 23, 2016
Accepted: --
Published Online: Dec. 26, 2016
The Author Email: Xiao-bin LIU (Liuxb_tstc@sohu.com)