Article (Scientific journals)
The Proton Formation from Methane by Dissociative Ionization in the Electron Energy range of 25-40 eV.
Locht, Robert; Momigny, J.
1980In Chemical Physics, 49, p. 173-180
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Keywords :
Electron impact; Kinetic energy; Appearance energy; Doubly excited states; H+/CH4
Abstract :
[en] The proton formation by dissociative electroionization of methane has been investigated in the energy range of 25-40 eV. The kinetic energy-versus-appearance energy shows five different H+ producing processes respectively at (26.3+/0.2) eV, (26.9+/-0.2) eV, (29.4+/-0.3) eV, (32.7+/-0.2) eV and (35.7+/-0.5) eV. These critical energies are discussed in terms of different dissociation channels opened through predissociation of doubly excited states of CH4+. On the high energy side of the electron energy range in the present work, the proton would appear through the dissociation of the CH+ ion as an intermediate.
Research center :
Laboratoire de Dynamique Moléculaire
Disciplines :
Chemistry
Author, co-author :
Locht, Robert  ;  Université de Liège - ULiège > Département de Chimie (Faculté des sciences) > Laboratoire de Dynamique Moléculaire (Sciences)
Momigny, J.
Language :
English
Title :
The Proton Formation from Methane by Dissociative Ionization in the Electron Energy range of 25-40 eV.
Alternative titles :
[fr] La formation du proton à partir du Méthane par ionisation dissociative dans le domaine d'énergie des électrons de 25-40 eV.
Publication date :
1980
Journal title :
Chemical Physics
ISSN :
0301-0104
Publisher :
Elsevier Science, Amsterdam, Netherlands
Volume :
49
Pages :
173-180
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Fonds de la Recherche Scientifique (Communauté française de Belgique) - FNRS, FRFC
Commentary :
- Printed version of reprint available on request - Version imprimée du tiré-à-part disponible sur demande
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since 11 July 2008

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