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Preprints Archive: Abstract of IC2010036 (2010)

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Empirical model for electron impact ionization of hydrogen isoelectronic ions

by A.K.F. Haque, M.R. Talukder, M.A. Uddin, M. Shahjahan, A.K. Basak and B.C. Saha

Document info: Pages 15, Figures 5.

The total cross sections of electron impact single ionization, for hydrogen like H, He^+, Li^{2+}, B^{4+}, C^{5+}, N^{6+}, O^{7+}, Ne^{9+}, Ar^{+17}, Fe^{25+}, Mo^{41+}, Dy^{65+}, Au^{78+}, Bi^{82+}, and U^{91+} targets with incident electron energies from threshold to about 106 eV , are calculated using a modified version of the BELI model [Bell et al., J. Phys. Chem. Ref. Data 12, 891 (1983)] by incorporating ionic correction factor in it and expressing its parameters in terms of the ionization potential of the ionized orbit. The results of the present analysis are compared with the available experimental results and theoretical calculations. The proposed model calculates reasonably accurate cross sections for any hydrogen isoelectronic ions with atomic numbers in the range of Z = 1-92. The level of performance of the simple model is at least comparable with other existing methods and models.

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