An (e, 2e + ion) investigation of dissociative ionization of methane

We present in this paper an (e, 2e + ion) investigation of the dissociative ionization of methane by 54 eV electron impact employing the advanced reaction microscope. By measuring two electrons and the ion in the final state in triple coincidence, the species of the ions are identified and the energ...

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Bibliographic Details
Published in:The Journal of chemical physics 2013-04, Vol.138 (13), p.134307-134307
Main Authors: Xu, Shenyue, Ma, Xinwen, Ren, Xueguang, Senftleben, Arne, Pflüger, Thomas, Yan, Shuncheng, Zhang, Pengju, Yang, Jie, Ullrich, Joachim, Dorn, Alexander
Format: Article
Language:English
Subjects:
Decay
Deposition
Electron impact
Ionization
Kinetic energy
Methane
Microscopes
Parents
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Summary:We present in this paper an (e, 2e + ion) investigation of the dissociative ionization of methane by 54 eV electron impact employing the advanced reaction microscope. By measuring two electrons and the ion in the final state in triple coincidence, the species of the ions are identified and the energies deposited into the target are determined. The species and the kinetic energies of the fragmented ion show strong dependence on the intermediate states of the parent ion. Possible decay pathways for the production of different species of ions are analyzed.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.4798931