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Three-dimensional cross sections for electron impact ionization of atoms and molecules

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Open access via publisher
Authors
Ren, X.
Senftleben, A.
Pflger, T.
Holzwarth, M.
Dorn, A.
Bartschat, K.
Bray, Igor
Fursa, Dmitry
Colgan, J.
Pindzola, M.
Al-Hagan, O.
Madison, D.
Ullrich, J.
Date
2010
Type
Conference Paper

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Citation
Ren, X and Senftleben, A and Pflger, T and Holzwarth, M and Dorn, A and Bartschat, K and Bray, Igor and Fursa, DV and Colgan, J and Pindzola, MS and Al-Hagan, O and Madison, DH and Ullrich, J. 2010. Three-dimensional cross sections for electron impact ionization of atoms and molecules, in Nicholas L S Martin and Bruno A deHarak (ed), International Symposium on (e,2e), Double Photoionization and Related Topics & 15th International Symposium on Polarization and Correlation in Electronic and Atomic Collision, Jul 30 2009, pp. 1-6. Lexington, Kentucky, USA: Institute of Physics Publishing Ltd.
Source Title
Journal of Physics: Conference Series
Source Conference
International Symposium on (e,2e), Double Photoionization and Related Topics & 15th International Symposium on Polarization and Correlation in Electronic and Atomic Collision
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Faculty
School of Science and Computing
Faculty of Science and Engineering
Department of Imaging and Applied Physics
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Copyright © 2010 Institute of Physics and IOP Publishing Limited

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Abstract

Recently the non-relativistic convergent close-coupling method has been extended into the relativistic domain [1]. When applied to electron impact collision processes for highly charged hydrogen-like ions, the RCCC method that utilizes relativistic kinematics and the Coulomb interaction in the absence of QED Breit and Mller corrections is suitable for target ions with atomic number Z up to Z 30. For Z larger than 30, such QED corrections become significant and must be included in the calculations. We have modified the RCCC computer code accordingly and report the results for Z = 100 selected excitation cross sections and for U91+ ionization cross sections which were found to be in good agreement with previous calculations of Fontes et al.[2].