An Empirical Formula of Atomic K-Shell Ionization Cross Sections by Electron Impact

唐昶环; 安竹; 罗正明; 范晓强

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An Empirical Formula of Atomic K-Shell Ionization Cross Sections by Electron Impact

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An empirical formula is proposed to describe the K-shell ionization cross sections by electron impact over a wide range of atomic numbers and overvoltages U (the ratio between the electron incident energy and the bindingenergy of the electrons in the K-shell). The study is based on the analysis of existing experimental data of K-shell ionization cross sections. The expression shows the results in good agreement with the data for Z＜6 atoms as well as for 6＜Z＜79.

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《中国物理快报：英文版》 |2001年第8期|1053-1055|共3页
作者
唐昶环; 安竹; 罗正明; 范晓强;
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作者单位

Laser Fusion Research Center, CAEP, Mianyang 621900;

Institute of Nuclear Science and Technology, Sichuan University, Key Laboratory for Radiation Physics and Technology of Education Ministry of China, Chengdu 610064;

Institute of Nuclear Science and Technology, Sichuan University, Key Laboratory for Radiation Physics and Technology of Education Ministry of China, Chengdu 610064;

Institute of Nuclear Science and Technology, Sichuan University, Key Laboratory for Radiation Physics and Technology of Education Ministry of China, Chengdu 610064;

Institute of Nuclear Physics and Chemistry, CAEP, Mianyang 621900;

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正文语种 chi
中图分类物理学;
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An Empirical Formula of Atomic K-Shell Ionization Cross Sections by Electron Impact

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