Optimal Truncation in Ionization of hydrogen by Electron Impact

张程华; 牛英煜; 吴炜; 邱卫; 辛君丽; 王晓伟; 王京阳

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Optimal Truncation in Ionization of hydrogen by Electron Impact

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An analytic expression for the ionization amplitude of hydrogen by electron impact is found to contain a polynomial by an optimal truncation in an asymptotic series and a convergent series. The ionization amplitude, i.e., the transition matrix element on the energy shell, is decomposed into two parts: the structure-scattering factor and correlation factor, based on an approximation of the projectile plane wave in coplanar asymmetric geometries.The contribution of these factors to the triple differential cross section is evaluated using the method of optional truncation of asymptotic and convergent series.

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《中国物理快报：英文版》 |2003年第8期|1244-1246|共3页
作者
张程华; 牛英煜; 吴炜; 邱卫; 辛君丽; 王晓伟; 王京阳;
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Department of Physics and Laboratory of Atoms and Radiation, Liaoning University, Shenyang 110036;

Department of Physics and Laboratory of Atoms and Radiation, Liaoning University, Shenyang 110036;

Department of Physics and Laboratory of Atoms and Radiation, Liaoning University, Shenyang 110036;

Department of Physics and Laboratory of Atoms and Radiation, Liaoning University, Shenyang 110036;

Department of Physics and Laboratory of Atoms and Radiation, Liaoning University, Shenyang 110036;

National Shenyang Laboratory for Materials Science, Institute of Metal Research,Chinese Academy of Sciences, Shenyang 110016;

National Shenyang Laboratory for Materials Science, Institute of Metal Research,Chinese Academy of Sciences, Shenyang 110016;

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Optimal Truncation in Ionization of hydrogen by Electron Impact

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