Actions for Interactions of slow H, H{sub 2} and H{sub 3} with thin foils [electronic resource].

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Interactions of slow H, H{sub 2} and H{sub 3} with thin foils [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1993.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
12 pages : digital, PDF file
Additional Creators
Los Alamos National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Interaction processes resulting from the transit of incident 2-30 key H⁺, H₂ and H₃⁺ through 1.2 to 2.5 μg cm{sup −2} carbon foils are investigated by examining the charge state and angular scatter distributions of atomic and molecular species that exit the foils. A comparison of the scatter distributions of exiting H₂⁺ and H{sup o} show that H fragments from the same incident molecule that recombine to form H₂ after transiting a foil scatter independently (i.e., not as a molecule) from foil atoms. The measured fractions of H₂⁺ from incident H₂⁺ and H₃⁺ are found to be dependent on the angular scatter half-width, but expected enhancements of this fraction for incident H₃⁺, due to the presence of an additional proton, are not observed within the experimental error. However, the observed fraction of H{sup o} is enhanced by approximately 2% for incident H₂⁺ and 4% for H₃⁺ relative to that observed using incident protons. This is evidence for a proximity effect at the exit surface of the foil in which the electron capture probability by one proton is enhanced by another proton in close proximity.
Report Numbers
E 1.99:la-ur--93-2790
E 1.99: conf-930712--5
conf-930712--5
la-ur--93-2790
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
09/01/1993.
"la-ur--93-2790"
" conf-930712--5"
"DE93040263"
ICACS: 15. international conference on atomic collision in solids,London (Canada),26-30 Jul 1993.
Funsten, H.O.; McComas, D.J.; Barraclough, B.L.
Funding Information
W-7405-ENG-36
View MARC record | catkey: 13806223