介绍了微分散射截面测量过程中的气压效应, 通过深入分析得出了二次散射系数E(θ)与零度角的强度A0成正比, 随散射角θ的增加而增加以及它的值可正可负. 通过与实验的对比, 证实了前两条结论, 并指出可把该结论用于指导实验.
参考文献
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[2] | Xu K Z,Feng R F,Wu S L,et al.Absolute Generalized Oscillator Strengths of 21S and 21P Excitations of Helium Measured by Angle-resolved Electron-energy-loss Spectroscopy[J].Phys Rev,1996,A53:3 081. |
[3] | Zhong Z P,Feng R F,Xu K Z,et al.Absolute Generalized Oscillator Strengths for the Vibronic Bands of A1Π,B1Σ+,C1Σ+ and E1Π Transitions of Carbon Monoxide[J].Phys Rev,1997,A55:1 799. |
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