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AbstractAbstract
[en] The ions interaction data such as interaction potential parameters, elastic and inelastic collision cross sections and the transport coefficients (reduced mobility and diffusion coefficients) have been determined and analyzed in the case of the main negative oxygen ions (O−, O2−, O3− and O4−) present in low temperature plasma at atmospheric pressure when colliding O2, N2 and dry air. The ion transport has been determined from an optimized Monte Carlo simulation using calculated elastic and experimentally fitted inelastic collision cross sections. The elastic momentum transfer collision cross sections have been calculated from a semi-classical JWKB approximation based on a (n−4) rigid core interaction potential model. The cross sections sets involving elastic and inelastic processes were then validated using measured reduced mobility data and also diffusion coefficient whenever available in the literature. From the sets of elastic and inelastic collision cross sections thus obtained for the first time for O3−/O2, O2−/N2, O3−/N2, and O4−/N2 systems, the ion transport coefficients were calculated in pure gases and dry air over a wide range of the density reduced electric field E/N. Graphical abstract: .
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Copyright (c) 2018 EDP Sciences, SIF, Springer-Verlag GmbH Germany, part of Springer Nature; This record replaces 50016116; This record replaces 50034446; Country of input: International Atomic Energy Agency (IAEA)
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Journal Article
Journal
European Physical Journal. D, Atomic, Molecular and Optical Physics; ISSN 1434-6060;
; v. 72(2); p. 1-7

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