Sequential over-barrier ionization of multi-electron atoms in the tens-to-hundreds keV/u energy range

Our previous work on the classical over-barrier ionization model for helium double ionization is extended to the complex multi-electron system of Ne. The total and q-fold ionization cross sections are calculated at energies ranging from a few tens to several hundred keV/u. The calculation results ar...

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Bibliographic Details
Published in:Chinese physics B 2012-03, Vol.21 (3), p.191-194, Article 033401
Main Authors: Zou, Xian-Rong, Liu, Lan-Diao, Ji, Ming-Chao, Feng, Dong, Chen, Xi-Meng, Shao, Jian-Xiong
Format: Article
Language:English
Subjects:
Accuracy
Cross sections
Helium
Ionization
Ionization cross sections
Mathematical models
Nuclear power generation
双电离
多电子原子
多电子系统
实验数据
截面计算
电离过程
能量范围
计算结果
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Summary:Our previous work on the classical over-barrier ionization model for helium double ionization is extended to the complex multi-electron system of Ne. The total and q-fold ionization cross sections are calculated at energies ranging from a few tens to several hundred keV/u. The calculation results are in good agreement with the experimental data, and the energy dependence of the cross sections suggests that the multi-ionization of a strong perturbated complex atom is probably the sequential over-barrier ionization process.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/21/3/033401