Triple differential cross section in ionization of hydrogen by electron impact

doi:10.1088/1009-1963/12/12/011

中国物理B ›› 2003, Vol. 12 ›› Issue (12): 1395-1398.doi: 10.1088/1009-1963/12/12/011

Triple differential cross section in ionization of hydrogen by electron impact

张程华¹, 邱巍¹, 辛俊丽¹, 牛英煜¹, 王晓伟², 王京阳²

(1)Department of Physics, Laboratory of Atoms and Radiation, Liaoning University, Shenyang 110036, China; (2)Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China

收稿日期:2003-03-18 修回日期:2003-06-30 出版日期:2003-12-16 发布日期:2005-03-16

Triple differential cross section in ionization of hydrogen by electron impact

Zhang Cheng-Hua (张程华)^a, Qiu Wei (邱巍)^a, Xin Jun-Li (辛俊丽)^a, Niu Ying-Yu (牛英煜)^a, Wang Xiao-Wei (王晓伟)^b, Wang Jing-Yang (王京阳)^b

^a Department of Physics, Laboratory of Atoms and Radiation, Liaoning University, Shenyang 110036, China; ^b Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China

Received:2003-03-18 Revised:2003-06-30 Online:2003-12-16 Published:2005-03-16

摘要/Abstract

摘要： A novel model is proposed to study the ionization of atomic hydrogen by fast election impact in coplanar asymmetric geometry making use of the post form of the transition matrix element for the energy shell and the two-potential formula. Based on the approximation of projectile plane waves and three-body problems, the transition matrix element is decomposed into two parts: the structure and scattering factor and the correlation factor. The contributions of these factors to triple differential cross sections are investigated using the method of asymptotic and convergent series.

Abstract: A novel model is proposed to study the ionization of atomic hydrogen by fast election impact in coplanar asymmetric geometry making use of the post form of the transition matrix element for the energy shell and the two-potential formula. Based on the approximation of projectile plane waves and three-body problems, the transition matrix element is decomposed into two parts: the structure and scattering factor and the correlation factor. The contributions of these factors to triple differential cross sections are investigated using the method of asymptotic and convergent series.

Key words: (e,2e), triple differential cross sections, binary peak, recoil peak

中图分类号: (Atomic excitation and ionization)

34.80.Dp

张程华, 邱巍, 辛俊丽, 牛英煜, 王晓伟, 王京阳. Triple differential cross section in ionization of hydrogen by electron impact[J]. 中国物理B, 2003, 12(12): 1395-1398.

Zhang Cheng-Hua (张程华), Qiu Wei (邱巍), Xin Jun-Li (辛俊丽), Niu Ying-Yu (牛英煜), Wang Xiao-Wei (王晓伟), Wang Jing-Yang (王京阳). Triple differential cross section in ionization of hydrogen by electron impact[J]. Chinese Physics, 2003, 12(12): 1395-1398.

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Triple differential cross section in ionization of hydrogen by electron impact

Triple differential cross section in ionization of hydrogen by electron impact

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