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Dissociative recombination of LiH2+
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
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2014 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 89, no 5, 050701- p.Article in journal (Refereed) Published
Abstract [en]

In this paper, we report results regarding how LiH2+ fragments as a result of a low-energy collision with an electron (dissociative recombination), a reaction that contains only elements and particles created during the very first phase of the universe. The collision-energy-dependent reaction rate and cross sections show detailed structures, more so than predicted by theory, suggesting significant rovibrational coupling in the ion and a complex reaction surface. From the structure of the molecule, the reaction predominantly results in the formation of Li + H-2. However, 23% of the reaction flux leads to more interesting products, with 17% producing Li + 2H and 6% producing LiH + H. These last two channels break the strongest molecular bond in the system and, in the case of the latter channel, form a significantly weaker ionic bond. Possible reasons behind this interesting behavior are discussed, together with the interaction between the available reaction channels.

Place, publisher, year, edition, pages
2014. Vol. 89, no 5, 050701- p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-105869DOI: 10.1103/PhysRevA.89.050701ISI: 000336840400001OAI: oai:DiVA.org:su-105869DiVA: diva2:732954
Funder
Swedish Research Council
Note

AuthorCount:10;

Available from: 2014-07-07 Created: 2014-07-07 Last updated: 2017-12-05Bibliographically approved

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Thomas, Richard D.Ehlerding, AnneliGeppert, Wolf D.Hellberg, FredrikZhaunerchyk, VitaliLarsson, Mats
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