Neutral hydrogen from the foil-induced dissociation of /sup 4/HeH/sup +/, /sup 3/HeH/sup +/, and H/sub 2//sup +/. [170 to 1800 keV/amu]

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High resolution energy spectra and angular distributions of H/sup 0/ from the dissociation of /sup 4/HeH/sup +/, /sup 3/HeH/sup +/, and H/sub 2//sup +/ in thin carbon foils are presented for incident ion energies ranging from 170 to 1800 keV/amu. For the range of dwell times inside the target foils studied (about 1 to 10 fsec), the dominant mechanism for such dissociation is the Coulomb explosion of the ions inside the target followed by electron capture near the rear surface of the foil. At the shortest of these dwell times, the yield of H/sup 0/ for incident ions oriented perpendicular … continued below

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15 pages

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Cooney, P J; Gemmell, D S; Kanter, E P; Pietsch, W J & Zabransky, B J January 1, 1979.

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High resolution energy spectra and angular distributions of H/sup 0/ from the dissociation of /sup 4/HeH/sup +/, /sup 3/HeH/sup +/, and H/sub 2//sup +/ in thin carbon foils are presented for incident ion energies ranging from 170 to 1800 keV/amu. For the range of dwell times inside the target foils studied (about 1 to 10 fsec), the dominant mechanism for such dissociation is the Coulomb explosion of the ions inside the target followed by electron capture near the rear surface of the foil. At the shortest of these dwell times, the yield of H/sup 0/ for incident ions oriented perpendicular to the beam relative to that for ions aligned with the beam is a factor of two greater than at longer dwell times. These data indicate that, for ion fragments which emerge from the rear surface of the target within a few angstroms of one another, those in the perpendicular orientation have a greater electron capture probability than those emerging in other orientations. 9 references.

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15 pages

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Dep. NTIS, PC A02/MF A01.

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  • 8. international conference on atomic collisions in solids, Hamilton, Canada, 13 Aug 1979

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  • Report No.: CONF-790843-4
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 6038431
  • Archival Resource Key: ark:/67531/metadc1096613

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  • January 1, 1979

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  • Feb. 18, 2018, 3:59 p.m.

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Thumbnail image of item number 1 in: 'Neutral hydrogen from the foil-induced dissociation of /sup 4/HeH/sup +/, /sup 3/HeH/sup +/, and H/sub 2//sup +/. [170 to 1800 keV/amu]'.
Thumbnail image of item number 2 in: 'Neutral hydrogen from the foil-induced dissociation of /sup 4/HeH/sup +/, /sup 3/HeH/sup +/, and H/sub 2//sup +/. [170 to 1800 keV/amu]'.
Thumbnail image of item number 3 in: 'Neutral hydrogen from the foil-induced dissociation of /sup 4/HeH/sup +/, /sup 3/HeH/sup +/, and H/sub 2//sup +/. [170 to 1800 keV/amu]'.
Thumbnail image of item number 4 in: 'Neutral hydrogen from the foil-induced dissociation of /sup 4/HeH/sup +/, /sup 3/HeH/sup +/, and H/sub 2//sup +/. [170 to 1800 keV/amu]'.

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Cooney, P J; Gemmell, D S; Kanter, E P; Pietsch, W J & Zabransky, B J. Neutral hydrogen from the foil-induced dissociation of /sup 4/HeH/sup +/, /sup 3/HeH/sup +/, and H/sub 2//sup +/. [170 to 1800 keV/amu], article, January 1, 1979; Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1096613/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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