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Dissociative recombination of BeH+
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
2009 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 80, no 1, 12501- p.Article in journal (Refereed) Published
Abstract [en]

The cross section for dissociative recombination of BeH+ is calculated by the solution of the time-dependent Schrodinger equation in the local complex potential approximation. The effects of couplings between resonant states and the Rydberg states converging to the ground state of the ion are studied. The relevant potentials, couplings, and autoionization widths are extracted using ab initio electron scattering and structure calculations, followed by a diabatization procedure. The calculated cross sections show a sizable magnitude at low energy, followed by a high-energy peak centered around 1 eV. The electronic couplings between the neutral states induce oscillations in the cross section. Analytical forms for the cross sections at low collision energies are given.

Place, publisher, year, edition, pages
2009. Vol. 80, no 1, 12501- p.
Keyword [en]
formulation
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-59962DOI: 10.1103/PhysRevA.80.012501ISI: 000268616900079OAI: oai:DiVA.org:su-59962DiVA: diva2:432543
Note
authorCount :4Available from: 2011-08-04 Created: 2011-08-02 Last updated: 2017-12-08Bibliographically approved

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