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电子弹性散射截面
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  “电子弹性散射截面”译为未确定词的双语例句
     CALCULATING ELASTIC SCATTERING CROSS-SECTION OF LOW ENERGY ELECTRON BY PARTIAL WAVE METHOD
     应用分波法计算低能电子弹性散射截面
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  相似匹配句对
     CALCULATIONS FOR THE CROSS SECTIONS OF THE ELASTIC SCATTERING OF SLOW ELECTRONS BY CH_4
     慢电子对甲烷分子的弹性散射截面计算
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     The Elastic Scattering Between the μ Neutrino and the Electron
     μ中微子和电子弹性散射
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     CALCULATING ELASTIC SCATTERING CROSS-SECTION OF LOW ENERGY ELECTRON BY PARTIAL WAVE METHOD
     应用分波法计算低能电子弹性散射截面
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     ELASTIC SCATTERING DIFFERENTIAL CROSS SECTIONS OF FAST NEUTRONS BY Ni
     Ni的快中子弹性散射微分截面
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     THE ABSOLUTE ELASTIC DIFFERENTIAL CROSS SECTIONS OF 2500eV ELECTRONS SCATTERED BY RARE GAS ATOMS
     惰性气体原子对2500 eV电子的绝对弹性散射微分截面
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Based on the work of Pendry, a Partial wave method of combining Hartree approximation with Hartree-Fock approximation is proposed for calculating elastic scattering cross -section of low energy electron. That method not only save computer CPU time, but extend Pendry's to a few keV-eneryg region. The elastic scattering cross-sections of element Be, C, Al, Cu are calculated and compared to Rutherford cross -section. The present method has been applied to investigation of low energy electron scattering in solids....

Based on the work of Pendry, a Partial wave method of combining Hartree approximation with Hartree-Fock approximation is proposed for calculating elastic scattering cross -section of low energy electron. That method not only save computer CPU time, but extend Pendry's to a few keV-eneryg region. The elastic scattering cross-sections of element Be, C, Al, Cu are calculated and compared to Rutherford cross -section. The present method has been applied to investigation of low energy electron scattering in solids. A flow chart of calculating elastic scattering cross -section of low energy electron is given.

基于Pendry的工作,建立一个应用量子力学分波法计算低能电子弹性散射截面的方法,该方法采取Hartree近似和Hartree-Fock近似相结合,既节省计算机时又能将Pendry的算法延伸到keV以上能区。计算了元素Be、C、Al、Cu等的弹性散射截面,并与Screen-Rutherford截面进行比较。本文方法已用于低能电子散射研究中。文中给出计算程序框图。

In this paper, a method for calculating elastic scattering cross section of low energy electron based on solving relativistic Dirac equation is given, the cross sections calculated by applying Thomas-Fermi-Dirac (TFD) potential and Hartree-Fock (HF )potential respectively are compared, the cross sections of elements C, Al, Cu, Ag, Au are calculated, the differences between Mott model. Pendry model and Rutherford formula are also compared and analysed.

本文给出一个基于解相对论Dirac方程计算低能电子弹性散射截面的方法,比较Thomas-Fermi-Dirac(TFD)势及Hartree-Fock(HF)势对散射截面计算的影响,计算了C、Al、Cu、Ag、Au等多种元素在0.01~10keV能量范围的弹性散射截面,比较分析Mott模型、Pendry模型以及屏蔽的Rutherford截面之间的差异。

 
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