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Dissociative charge exchange dynamics of HN2+ and DN2+
Stockholm University, Faculty of Science, Department of Physics.
2009 (English)In: Journal of Chemical Physics, ISSN 0021-9606, E-ISSN 1089-7690, Vol. 131, no 13, 134301- p.Article in journal (Refereed) Published
Abstract [en]

Translational spectroscopy coupled with coincidence detection techniques has been used to study the dissociation dynamics of ground state H/D+N-2 products resulting from charge exchange between keV beams of HN2+/DN2+ and cesium. Analysis of the product kinetic energy release suggests that dissociation of HN2 and DN2 proceeds from initial populations in the (2)A '', 2 (2)A ', and 3s Rydberg electronic states of the neutral molecule. Although all three excited electronic states must eventually couple to the 1 (2)A ' ground state of HN2/DN2, the resulting dissociation dynamics exhibit a significant dependence on the initial electronic state. Potential mechanisms are discussed in light of the observed product kinetic energy release distributions.

Place, publisher, year, edition, pages
2009. Vol. 131, no 13, 134301- p.
Keyword [en]
potential-energy surface, excited-state topology, global ab-initio, theoretical characterization, electron recombination, photodissociation dynamics, unimolecular dissociation, 3-body dissociation, sym-triazine, n2h+
National Category
Atom and Molecular Physics and Optics
URN: urn:nbn:se:su:diva-59677DOI: 10.1063/1.3236803ISI: 000270825500012OAI: diva2:430331
authorCount :4Available from: 2011-07-08 Created: 2011-07-05 Last updated: 2011-07-08Bibliographically approved

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Thomas, Richard D.
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