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Electron-impact dis...
Electron-impact dissociation of XH2+ (X = B, C, N, O, F) : Absolute cross sections for production of XH+ and X+ fragment ions
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Fogle, M. (författare)
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Bahati, E. M. (författare)
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Bannister, M. E. (författare)
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Deng, S. H. M. (författare)
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Vane, C. R. (författare)
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- Thomas, Richard D. (författare)
- Stockholms universitet,Fysikum
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- Zhaunerchyk, Vitali (författare)
- Stockholms universitet,Fysikum
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(creator_code:org_t)
- 2010
- 2010
- Engelska.
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Ingår i: Physical Review A. Atomic, Molecular, and Optical Physics. - 1050-2947 .- 1094-1622. ; 82:4, s. 042720-
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Absolute cross sections for electron-impact dissociation of XH2+ (X = B, C, N, O, F) producing XH+ and X+ ion fragments were measured in the 3- to 100-eV range using a crossed-electron-ion beams technique. Dissociative excitation of BD2+ and CH2+ producing B+ and C+, respectively, show a propensity toward a two-body dissociation while the remaining species all tend to show a three-body dissociation dynamic. The BD+ and CH+ dissociative excitation channels show a large resonant-type contribution to the cross sections at similar to 10eV. For the X+ fragment ion production cross sections, a clear dependence on the threshold energy, as it relates to the rate of rise in the cross section above threshold, is observed.
Nyckelord
- NATURAL SCIENCES
- NATURVETENSKAP
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