Calculation of vibrational excitation of N2 by electron impact at 5-50 eV using extended-basis-set Hartree-Fock wavefunctions

J. R. Rumble, D. G. Truhlar, M. A. Morrison

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Abstract

The cross sections 0 to 0, 0 to 1 and 1 to 2 for vibrational excitation of N2 by electron impact at 5, 10, 20, 30 and 50 eV are calculated in a static-exchange-polarisation model. The calculations are based on the Hartree-Fock target wavefunctions of Cade, Sales and Wahl (1966) for the static potential and for the Hara (1967) free-electron-gas exchange potential. Target charge polarisation is included by the effective polarisation potential of Morrison and Collins (1978), scaled as a function of internuclear distance by the polarisabilities. The calculated cross sections are well converged with respect to channels. The results show clearly both the low-energy Pi g resonance and the intermediate-energy Sigma u resonance.

Original languageEnglish (US)
Article number007
JournalJournal of Physics B: Atomic and Molecular Physics
Volume14
Issue number8
DOIs
StatePublished - Dec 1 1981

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