Ionization of Hydrogen, Hydrogen Deuteride, and Deuterium on Impact of Metastable Helium Atoms

Autor:	E. E. Muschlitz, J. R. Penton
Rok vydání:	1968
Předmět:	Hydrogen General Physics and Astronomy chemistry.chemical_element Ion chemistry.chemical_compound chemistry Deuterium Ionization Metastability Kinetic isotope effect Hydrogen deuteride Physical and Theoretical Chemistry Atomic physics Helium
Zdroj:	The Journal of Chemical Physics. 49:5083-5088
ISSN:	1089-7690 0021-9606
DOI:	10.1063/1.1670002
Popis:	Relative cross sections for the ionization of H2, HD, and D2 have been measured using a thermal‐energy beam of 2 3S1 and 2 1S0 helium atoms. The cross sections for the production of H2+, HD+, and D2+ increase in this order. The ions are observed to have average kinetic energies of at least 0.08 eV and perhaps as much as 0.3 eV. The isotope effect is explained in terms of the initial formation of a preionizing state which may then either dissociate or ionize.
Databáze:	OpenAIRE
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