| An Empirical Formula Approach to Total Cross Sections for Electron Scattering on Polyatomic Molecules |
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| 作者姓名： | 杜朝玲 孙金锋 刘玉芳 程光煦 陈延峰 |
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| 作者单位： | [1]Department of Physic and National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093 [2]Department of Phvsics, Henan Normal University, Xinxiang 453002 [3]Department of Materials Science and Engineering, and National Laboratory of Solid State Microstructures,Nanjing University, Nanjing 210093 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 10174019, and the National Basic Research Programme of China under Grant No 001CB610404. |
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| 摘 要： | Considering the real experimental process of e-molecule scattering a new empirical formula has been developed to calculate the total cross sections （TOSs） for electron scattering on polyatomic molecules （CH4, C2H2, CH3OH and CH3F）. The present results are compared with other available theoretical results and experimental data. The new formula incorporates an energy factor f（E） to represent the elastic and inelastic changing process during experiments. It depends on no adjustable parameters and has also extended the validity of the empirical approaches to lower energy range further.
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| 关 键 词： | 电子散射 多原子分子 能量因素 弹性变化 分子物理学 |
| 收稿时间： | 2005-07-06 |
| 修稿时间： | 2005-07-06 |
An Empirical Formula Approach to Total Cross Sections for Electron Scattering on Polyatomic Molecules |
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| DU Chao-Ling, SUN Jin-Feng, LIU Yu-Fang, CHENG Guang-Xu, CHEN Yan-Feng.An Empirical Formula Approach to Total Cross Sections for Electron Scattering on Polyatomic Molecules[J].Chinese Physics Letters,2005,22(11):2801-2804. |
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| Authors: | DU Chao-Ling SUN Jin-Feng LIU Yu-Fang CHENG Guang-Xu CHEN Yan-Feng |
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