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Cross Sections for Dissociative Ionization of Molecules by Electron Impact

Rapp, Donald, Englander-Golden, Paula, Briglia, Donald D.·1965·The Journal of Chemical Physics

Abstract

Cross sections for dissociative ionization have been measured as a function of electron energy from threshold to 1000 eV in nine gases (H2, D2, N2, CO, NO, O2, CO2, N2O, and CH4) by collecting those ions reaching the ion collector after passing through a 0.25-V retarding potential in a total-ionization tube. Approximate correction is made for the effective solid angle subtended by the ion collector at the electron beam. The results are reported as the fraction of total ionization, and as absolute cross sections for dissociative ionization. At moderately high electron energies (>70 eV), the fraction of total ionization that is dissociated ions with kinetic energy in excess of 0.25 eV, ranges from ∼7% in H2 and D2 to ∼35% in N2O, with other gases intermediate.

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Research works printed but not linked: 14

  1. 1963, Phys. Rev., 132, 2109, 10.1103/PhysRev.132.2109 · doi:10.1103/physrev.132.2109
  2. 1962, Phys. Rev. Letters, 8, 62, 10.1103/PhysRevLett.8.62 · doi:10.1103/physrevlett.8.62
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  10. 1965, Bull. Am. Phys. Soc., 10, 181
  11. 1962, Trans. Natl. Vacuum Symp., 8, 1961
  12. 1963, Vacuum, 13, 579, 10.1016/0042-207X(63)90546-3 · doi:10.1016/0042-207x(63)90546-3
  13. 1959, Phys. Rev., 116, 815
  14. 1932, Phys. Rev., 40, 496, 10.1103/PhysRev.40.496 · DOI

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Metadata

Authors
Rapp, D., Englander-Golden, P., & Briglia, D. D.
Venue
The Journal of Chemical Physics
Published
1965-06-15
Volume
42
Issue
12
Pages
4081-4085
ISSN
  • 0021-9606 (ISSN-L)
  • 1089-7690
OpenAlex
W2056581423
Cited by
333
References
0
FWCI
5.88
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Cross Sections for Dissociative Ionization of Molecules by Electron Impact. https://app.cochat.ai/papers/10.1063/1.1695897
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Rapp, D., Englander-Golden, P., & Briglia, D. D. (1965). Cross Sections for Dissociative Ionization of Molecules by Electron Impact. The Journal of Chemical Physics. https://doi.org/10.1063/1.1695897

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