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Electron-impact dissociation of CD3+ and CH3+ ions producing CD2+, CH+ and C+ fragment ions
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2009 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 79, no 5, 52703- p.Article in journal (Refereed) Published
Abstract [en]

Using a crossed electron-ion beams method, we measured absolute cross sections for electron-impact dissociation of the CD3+ molecular ions producing CD2+ fragment ions and CH3+ ions yielding CH+ and C+ fragment ions over a collision energy range from a few eV up to 100 eV. The total experimental uncertainties are about 12% at the maximum of the curves of cross sections (peak of the cross section for the CH+ channel). The obtained results suggest important roles played by predissociation of bound states in the production of both the CH+ and C+ fragment ions. Good agreement is found with other results reported for the CH+ fragment, but some differences are found for the CD2+ and C+ fragments.

Place, publisher, year, edition, pages
2009. Vol. 79, no 5, 52703- p.
Keyword [en]
bound states, carbon compounds, electron impact dissociation, molecule-electron collisions, positive ions, predissociation
National Category
Physical Sciences
URN: urn:nbn:se:su:diva-60070DOI: 10.1103/PhysRevA.79.052703ISI: 000266500900096OAI: diva2:433126
authorCount :6Available from: 2011-08-09 Created: 2011-08-08 Last updated: 2011-08-09Bibliographically approved

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Thomas, R. D.Zhaunerchyk, Vitali
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