Calculation of Differential Cross Sections for Electron Impact Excitation of H and He+
Year: 2014
Author: Zhuo-Jin Lai, De-Feng Chen, Lin-Qing Pan, Xiao-Han Jiang, Yong-Liang Xu, Zhang-Jin Chen
Journal of Atomic and Molecular Sciences, Vol. 5 (2014), Iss. 4 : pp. 311–323
Abstract
We present the distorted wave Born approximation (DWBA) for electron impact excitation and a method to calibrate the DWBA. With the calibrated DWBA, the differential cross sections (DCS) for excitation of H and He+ from 1s to 2s and 2p are calculated and the results are compared with the absolute experimental measurements for H at incident energies of 50 eV and 100 eV. It has been found that the theoretical results are in very good agreement with the experiment, which confirms the validity of the calibration procedure. This work prepares an efficient theoretical method for numerical simulations of non-sequential double ionization of He in strong laser pulse in which laser-induced electron impact excitation of He+ is involved.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/10.4208/jams.022814.051414a
Journal of Atomic and Molecular Sciences, Vol. 5 (2014), Iss. 4 : pp. 311–323
Published online: 2014-01
AMS Subject Headings: Global Science Press
Copyright: COPYRIGHT: © Global Science Press
Pages: 13
Keywords: electron impact excitation distorted wave Born approximation differential cross sections total cross sections.
Author Details
Zhuo-Jin Lai Email
De-Feng Chen Email
Lin-Qing Pan Email
Xiao-Han Jiang Email
Yong-Liang Xu Email
Zhang-Jin Chen Email
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