TRENDS IN H-NU-]2E CROSS-SECTION FOR 2-ELECTRON SYSTEMS

被引：3
|
作者：
LEONARDI, S [1 ]
CALANDRA, C [1 ]
机构：
[1] INFM,TASC LAB,AREA RIC,TRIESTE,ITALY
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 1993年 / 26卷 / 07期
关键词：
D O I：
10.1088/0953-4075/26/7/001
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The total cross section for the double photoionization process is calculated for the first elements of the He isoelectronic series using the dipole approximation and highly correlated forms for the initial state wavefunction. The final state is approximated by a symmetrized product of Coulomb scattering wavefunctions. This allows the establishment of simple trends in the magnitude of the cross section and the importance of the angular correlations of the initial state. It is suggested that the double photoionization can be used as a tool for measuring excess charges on atoms in various chemical environments.
引用
收藏
页码：L153 / L158
页数：6
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