Rotational distributions of CO2+ (X̃ 2Πg) produced by electron-impact ionization of supercooled CO2

Atsushi Nakajima, Takashi Nagata, Tamotsu Kondow, Kozo Kuchitsu

Research output: Contribution to journalArticle

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Abstract

Laser-induced fluorescence of CO2+ (X̃ 2Πg) produced by electron impact on CO2 in a supersonic beam was measured. An analysis of the CO2+ (Ã-X̃) spectra has revealed that the rotational distribution of CO2+ is essentially Boltzmann and that the effective rotational temperature increases uniformly with decreasing impact energy, 26± 1 K at 300 eV and 31 ± 1 K at 45 eV. This trend of rotational excitation, which is similar to that observed in the N2 + e system, is interpreted in terms of the rotational transitions in electron-impact ionization.

Original languageEnglish
Pages (from-to)511-515
Number of pages5
JournalChemical Physics Letters
Volume151
Issue number6
DOIs
Publication statusPublished - 1988 Oct 28

Fingerprint

Impact ionization
electron impact
ionization
Electrons
Electron transitions
laser induced fluorescence
Fluorescence
trends
Lasers
excitation
Temperature
temperature
energy

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces

Cite this

Rotational distributions of CO2+ (X̃ 2Πg) produced by electron-impact ionization of supercooled CO2. / Nakajima, Atsushi; Nagata, Takashi; Kondow, Tamotsu; Kuchitsu, Kozo.

In: Chemical Physics Letters, Vol. 151, No. 6, 28.10.1988, p. 511-515.

Research output: Contribution to journalArticle

Nakajima, Atsushi ; Nagata, Takashi ; Kondow, Tamotsu ; Kuchitsu, Kozo. / Rotational distributions of CO2+ (X̃ 2Πg) produced by electron-impact ionization of supercooled CO2. In: Chemical Physics Letters. 1988 ; Vol. 151, No. 6. pp. 511-515.
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