Abstract
The relative intensities of the M 5 N and M 4 N satellites of Pb under electron bombardment of thick targets in the range of accelerating voltages U = 5−30 kV are experimentally investigated. Based on the previously proposed model of M X-ray emission, the relative intensities of these satellites are calculated using the total ionization cross sections of M subshells under electron impact found in different approximations. It is established that, among the models yielding analytical expressions for calculating total ionization cross sections, the model of classical binary collisions provides the best agreement with experimental data in the electron energy range under study. The parameters of the semiempirical Bethe formula for calculating the ionization cross sections of Pb M subshells under electron impact are determined.
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Original Russian Text © N.A. Borovoy, R.N. Ishchenko, 2013, published in Optika i Spektroskopiya, 2013, Vol. 114, No. 1, pp. 3–8.
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Borovoy, N.A., Ishchenko, R.N. Ionization of M subshells of Pb atoms by electron impact in an energy range of 5–30 keV. Opt. Spectrosc. 114, 1–6 (2013). https://doi.org/10.1134/S0030400X13010062
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DOI: https://doi.org/10.1134/S0030400X13010062