Collision mechanisms in one-electron capture byHe2+ions in collisions with hydrocarbons

Autor:	B. Seredyuk, Robert McCullough, H B Gilbody
Rok vydání:	2005
Předmět:	Physics Electron capture Excited state Translational energy Atomic physics Spectroscopy Highly selective Collision Atomic and Molecular Physics and Optics Dissociation (chemistry) Ion
Zdroj:	Physical Review A. 71
ISSN:	1094-1622 1050-2947
DOI:	10.1103/physreva.71.022713
Popis:	Translational energy spectroscopy has been used to study one-electron capture by 200-2000 eV amu{sup -1} He{sup 2+} ions in CH{sub 4}, C{sub 2}H{sub 4}, and C{sub 2}H{sub 6}. The main He{sup +}(n,l) excited product channels have been identified and their relative importance assessed. Although significantly different patterns of behavior are observed, all three cases exhibit the highly selective nature of the electron capture process in spite of the large number of possible nondissociative and dissociative product channels associated with a wide spread in energy defects {delta}E.
Databáze:	OpenAIRE
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