Abstract
Emission of xenon excited by a 120-keV electron beam at gas pressures of 100, 200, 500, and 760 Torr nm was studied experimentally and theoretically. More than 30 spectral lines were identified in the wavelength range of 750–1000 nm. A self-consistent kinetic model is developed to calculate the emission intensity of xenon atoms in the near IR range. The model includes balance equations for the number densities of electrons, ions and excimer molecules; equations for the populations of electron levels; and the Boltzmann equation for the low-energy part of the electron energy distribution function with a source of slow electrons. Excitation and ionization rates of xenon by the beam electrons and the energy spectrum of slow electrons are calculated by the Monte Carlo method. It is shown that, under these conditions, the main mechanism of xenon atom excitation is dissociative recombination of Xe3 + ions.
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Original Russian Text © V.N. Babichev, A.V. Dem’yanov, N.A. Dyatko, A.F. Pal’, A.N. Starostin, A.V. Filippov, 2017, published in Fizika Plazmy, 2017, Vol. 43, No. 5, pp. 421–439.
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Babichev, V.N., Dem’yanov, A.V., Dyatko, N.A. et al. Experimental and theoretical study of the near IR emission of xenon excited by a fast electron beam. Plasma Phys. Rep. 43, 515–532 (2017). https://doi.org/10.1134/S1063780X17050014
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DOI: https://doi.org/10.1134/S1063780X17050014