Photoelectron spectra of shake-up processes from the 2p subshell of sodium atoms in the excited states 2p 63p

被引：2

作者：

Liu, Xiaobin ^{[1
]}

Shi, Yinglong ^{[1
]}

Li, Xiangbin ^{[1
]}

Lu, Feiping ^{[1
]}

Wang, Yuping ^{[1
]}

Hu, Hongwei ^{[2
]}

Luo, Yuee ^{[3
]}

机构：

[1] Tianshui Normal Univ, Dept Phys, Tianshui 741001, Peoples R China

[2] Shangqiu Normal Univ, Dept Phys, Shangqiu 476000, Peoples R China

[3] Jingdezhen Univ, Dept Mech & Elect Engn, Jingdezhen 333000, Peoples R China

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2022年 / 55卷 / 12期

基金：

中国国家自然科学基金;

关键词：

photoelectron spectra; sudden approximation; shake-up; relaxation; INNER-SHELL PHOTOIONIZATION; CROSS-SECTIONS; CONFIGURATION-INTERACTION; R-MATRIX; ELECTRON; CORE; EXCITATION; LITHIUM;

D O I：

10.1088/1361-6455/abf6df

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The 2p photoionization of sodium atoms from the initial states 2p (6)3p (1/2,3/2) have been investigated, with special emphasis placed on the relaxation and correlation effects. To understand the details of the spectra, a series of ab initio calculations based on the multi-configuration Dirac-Fock method have been performed. Theoretical predictions have been compared with the high-resolution spectra measured using a synchrotron radiation source, and suitable agreement between experiment and theory has enabled the identification of fine-structure spectra. The prominent influence of the relaxation and correlation effects on the photoelectron spectra has been analysed according to the detailed calculations.

引用

页数：8

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