Absolute cross sections for electron impact ionization of NO2

Absolute partial cross sections for electron impact ionization of nitrogen dioxide (NO2) are determined using Fourier-transform mass spectrometry in the energy range from threshold to 200 eV. Data are presented for the production of the major ionic species, NO2+, NO+, O+, and N+. Ion intensity depen...

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Bibliographic Details
Published in:The Journal of chemical physics 2002-07, Vol.117 (1), p.161-165
Main Authors: Jiao, C. Q., DeJoseph, C. A., Garscadden, A.
Format: Article
Language:English
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Summary:Absolute partial cross sections for electron impact ionization of nitrogen dioxide (NO2) are determined using Fourier-transform mass spectrometry in the energy range from threshold to 200 eV. Data are presented for the production of the major ionic species, NO2+, NO+, O+, and N+. Ion intensity dependence on the trapping potential is studied for the purpose of probing the kinetic energy of the product ions from the electron impact ionization. O+ and N+ are found to have significant kinetically excited ion populations. The cross-section data are corrected for loss of energetic species from the trap and the results are compared with previous data.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.1480867