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Electron energy deposition in carbon monoxide gasA comprehensive set of electron impact cross sections for carbon monoxide molecules is presented on the basis of the most recent experimental measurements and theoretical calculations. The processes by which energetic electrons lose energy in CO gas are analyzed with these input cross sections. The efficiencies are computed of vibrational and electronic excitation, dissociation, ionization, and heating for CO gas with fractional ionization ranging from 0% to 10%. The calculated mean energy per ion pair for neutral CO gas is 32.3 eV, which is in excellent agreement with the experimental value of 32.2 eV. It increases to 35.6 eV at a fractional ionization of 1%, typical of supernovae ejecta.
Document ID
19950038850
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Liu, Weihong
(Harvard-Smithsonian Center for Astrophysics, Cambridge, MA United States)
Victor, G. A.
(Harvard-Smithsonian Center for Astrophysics, Cambridge, MA United States)
Date Acquired
August 16, 2013
Publication Date
November 10, 1994
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 435
Issue: 2
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
95A70449
Funding Number(s)
CONTRACT_GRANT: NAGW-1561
CONTRACT_GRANT: NSF AST-89-21939
Distribution Limits
Public
Copyright
Other

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