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Electron Correlation in the Final Continuum of Ionization Hydrogen by 150-eV Electron Impact |
| ZHANG Cheng-Hua1;ZHANG Shu-Liang1;WANG Xiao-Wei2;WANG Jing-Yang2 |
| 1Department of Physics, Laboratory of Atoms and Radiation, Liaoning University, Shenyang 110036
2Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016 |
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| Cite this article: |
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ZHANG Cheng-Hua, ZHANG Shu-Liang, WANG Xiao-Wei et al 2004 Chin. Phys. Lett. 21 1737-1740 |
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Abstract Electron correlation in triple differential cross sections for ionization of atomic hydrogen by electron impact is analysed for the case of coplanar asymmetric geometry within the framework of the two-potential formulae. Based on the approximations of projectile and faster-electron plane wave, the transition matrix element is analytically expressed to be a product of two factors: the correlation factor of two electrons in the final channel and the structure-scattering factor. The contribution of both the factors to the angular distribution of the triple differential cross section is calculated. The present results are compared with the experimental data and the other theoretical calculations for the incident energy of 150eV.
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| Keywords:
34.80.Dp
03.65.Nk
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Published: 01 September 2004
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