Superelastic electron scattering from laser excited rubidium at 20 eV incident energy

B. V. Hall, Y. Shen, A. J. Murray, M. C. Standage, W. R. MacGillivray, I. Bray

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Superelastic electron scattering measurements are presented from rubidium atoms excited by laser radiation to the 52P states at around 780 nm. The incident energy of the electrons was 18.4 eV corresponding to 20 eV incident electrons for the excitation process 52S-52P. The measurements were conducted over a range of scattering angles from 5° through to 125°. A complete set of atomic collision parameters for the interaction process is presented together with the associated pseudo-Stokes parameters obtained from the measurements. A comparison with three sophisticated theoretical models indicates that none of the models completely describes the interaction process at this energy, and that further experimental and theoretical work is needed.
    Original languageEnglish
    Pages (from-to)1113-1124
    Number of pages11
    JournalJournal of Physics B: Atomic, Molecular and Optical Physics
    Volume37
    Issue number5
    DOIs
    Publication statusPublished - 14 Mar 2004

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