Zero-point vibration in low-energy electron-molecule scattering theory

A. Klonover, U. Kaldor

Research output: Contribution to journalArticlepeer-review

Abstract

The effect of taking proper account of zero-point vibration in adiabatic-nuclei calculations of cross sections for low-energy (1-10 eV) e-H2 scattering is investigated. Explicit integration over internuclear separation leads to significant changes in integral cross sections over fixed-R results, where the molecule is frozen at its equilibrium separation. Increases ranging up to 5% for elastic scattering and 40% for rotational excitation are observed, with the largest changes occurring at the lower end of the energy range. Angular distributions are also affected. Adiabatic-nuclei cross sections are in good agreement with experiment over the whole energy range.

Original languageEnglish
Article number006
Pages (from-to)L61-L65
JournalJournal of Physics B: Atomic and Molecular Physics
Volume12
Issue number2
DOIs
StatePublished - 1979

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