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Triple-differential cross sections for target ionization with simultaneous projectile detachment in 200-keV H-+He collisions
Stockholm University.
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2007 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 76, no 4, 42708- p.Article in journal (Refereed) Published
Abstract [en]

We have performed a kinematically complete experiment for target ionization with simultaneous projectile detachment (TIPD) in 200-keV H-+He collisions. From the data we extracted triple-differential cross sections (TDCSs) for each electron separately. These TDCSs closely resemble corresponding data for single ionization by charged-particle impact. Surprisingly, the contributions from higher-order processes to TIPD, proceeding through two independent interactions of each electron with the core of the respective other collision partner, are found to be somewhat larger than the first-order process proceeding through the electron-electron interaction.

Place, publisher, year, edition, pages
2007. Vol. 76, no 4, 42708- p.
Keyword [en]
electron-impact ionization, break-up processes, single-ionization, helium, atoms
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:su:diva-55267DOI: 10.1103/PhysRevA.76.042708ISI: 000250619700102OAI: oai:DiVA.org:su-55267DiVA: diva2:406625
Note
authorCount :6Available from: 2011-03-28 Created: 2011-03-07 Last updated: 2017-12-11Bibliographically approved

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