Journal article
Electron-impact ionization doubly differential cross sections of helium
Journal of Physics B: Atomic, Molecular and Optical Physics, Vol.36(11), pp.2211-2227
2003
Abstract
The convergent close-coupling (CCC) method is applied to the calculation of electron–helium ionization doubly differential cross sections (DDCSs) at low to intermediate incident energies. We re-examine the CCC calculations and measurements of Röder et al (1997 J. Phys. B: At. Mol. Opt. Phys. 30 1309–22) by making allowance for the step-function behaviour of the underlying CCC-calculated amplitudes. As done previously, the experimental DDCS were normalized at energies below 100 eV using the 100 eV CCC calculation to determine analyser properties at several secondary energies. In addition, substantially larger calculations are presented, to check the convergence. The agreement between the experiment and the calculations as a whole is much improved on the situation reported earlier.
Details
- Title
- Electron-impact ionization doubly differential cross sections of helium
- Authors/Creators
- I. Bray (Author/Creator)D.V. Fursa (Author/Creator)A.T. Stelbovics (Author/Creator)
- Publication Details
- Journal of Physics B: Atomic, Molecular and Optical Physics, Vol.36(11), pp.2211-2227
- Publisher
- Institute of Physics
- Identifiers
- 991005542647107891
- Copyright
- © 2003 IOP Publishing
- Murdoch Affiliation
- School of Mathematical and Physical Sciences
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 2 Chemistry
- 2.15 Physical Chemistry
- 2.15.664 Dissociative Electron Attachment
- Web Of Science research areas
- Optics
- Physics, Atomic, Molecular & Chemical
- ESI research areas
- Physics