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Doubly differential and integral cross sections for electron elastic scattering by hydrogen chloride and hydrogen fluoride

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Abstract

We report theoretical doubly differential and integrated cross sections for electron elastic scattering by hydrogen chloride as well as by hydrogen fluoride over wide impact energies ranging from 10 eV up to 20 keV, where the non-relativistic theory is available. The calculations are performed by considering a target molecular state described by means of single-center molecular wave functions within the partial-wave formalism by means of a spherical optical potential model taking into account a static contribution deduced from a single-center Hartree-Fock target description as well as fine effects, like correlation-polarization and exchange contributions. The theoretical results obtained in this model pointed out clearly the role played by the exchange and correlation-polarization potentials, particularly at lower incident energies. The numerical results, obtained in this parameter free model for both doubly differential and integral cross sections for electron scattering by HCl and HF molecular targets, are compared with the available experimental data and satisfactory agreements are observed in the whole energy range.

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Medegga, F., Aouchiche, H. Doubly differential and integral cross sections for electron elastic scattering by hydrogen chloride and hydrogen fluoride. High Energy Chem 51, 462–472 (2017). https://doi.org/10.1134/S001814391708001X

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