Calculation of electron-impact rotationally elastic total cross sections for NH₃, H₂S, and PH₃ over the energy range from 0.01 eV to 2 keV

Limbachiya, Chetan; Vinodkumar, Minaxi and Mason, Nigel (2011). Calculation of electron-impact rotationally elastic total cross sections for NH₃, H₂S, and PH₃ over the energy range from 0.01 eV to 2 keV. Physical Review A, 83(4)

DOI: https://doi.org/10.1103/PhysRevA.83.042708

Abstract

This paper report results of calculation of the total cross section Q_T for electron impact on NH₃, H₂S,and PH₃ over a wide range of incident energies from 0.01 eV to 2 keV. Total cross sections Q_T (elastic plus electronic excitation) for incident energies below the ionization threshold of the target were calculated using the UK molecular R-matrix code through the Quantemol-N software package and cross sections at higher energies were derived using the spherical complex optical potential formalism. The two methods are found to give self-consistent values where they overlap. The present results are, in general, found to be in good agreement with previous experimental and theoretical results.

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