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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Variational approach to excitation of atomic hydrogen atoms by impacts of protons at intermediate velocities
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Volume 251, No. 1, Year 2006
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Description
A variational approach to the excitation of atoms by ion impacts at intermediate velocities is re-examined. Contributions from intermediate states of the target continuum, that were ignored in previous applications of this approach, are taken into account. With this improved variational approach, excitation cross sections of hydrogen atoms by intermediate energy protons are calculated and compared to recent experimental data and to previous theoretical cross sections. The influence of the intermediate target continuum is found to be very weak. In addition, the present approach is shown to apply as long as the capture process is negligible. © 2006 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Lasri, Boumediene
France, Nancy
Université de Lorraine
Bouamoud, Mammar
Algeria, Tlemcen
Université Abou Bekr Belkaid Tlemcen
Gayet, Robert
France, Talence
Centre Lasers Intenses et Applications
Statistics
Citations: 4
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.1016/j.nimb.2006.03.199
ISSN:
0168583X