Absolute high-resolution rate coefficients for dissociative recombination of electrons with HD+: Comparison of results from three heavy-ion storage rings

A. Al-Khalili*, S. Rosén, H. Danared, A. M. Derkatch, A. Källberg, M. Larsson, A. Le Padellec, A. Neau, J. Semaniak, R. Thomas, M. Af Ugglas, L. Vikor, W. Zong, W. J. Van Der Zande, X. Urbain, M. J. Jensen, R. C. Bilodeau, O. Heber, H. B. Pedersen, C. P. SafvanL. H. Andersen, M. Lange, J. Levin, G. Gwinner, L. Knoll, M. Scheffel, D. Schwalm, R. Wester, D. Zajfman, A. Wolf

*Corresponding author for this work

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    Abstract

    A comparison of results from three different ion storage rings has yielded consolidated experimental information on the absolute DR cross section and on the thermal DR rate coefficient of HD+(v=0) ions, suitable for a detailed comparison with theoretical predictions. Satisfactory agreement between the individual experiments and with the calculations is obtained for electron energies above ∼0.01 eV. At lower energies, the influence of rotational excitations presents an interesting area of further investigations.

    Original languageEnglish
    Article number042702
    Pages (from-to)042702/1-042702/14
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Volume68
    Issue number4 A
    DOIs
    Publication statusPublished - Oct 2003

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