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Ionization cross-sections for the production of positive ions from H2O by electron impactWater is present in the atmospheres of 6 of the 9 planets. Cross section values for the direct and partial ionization of H2O by electron impact have been measured and compared with previously published data. The present measurements have been carried out from thresholds to 1 KeV by utilizing a crossed electron beam and molecular beam collision geometry and an improved ion extraction technique.
Document ID
20060041918
Acquisition Source
Jet Propulsion Laboratory
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Rao, M. V. V. S.
Iga, I.
Srivastava, S. K.
Date Acquired
August 23, 2013
Publication Date
January 1, 1995
Publication Information
Publication: Journal of Geophysical Research-Planets
Volume: 100
Issue: E12
Subject Category
Lunar And Planetary Science And Exploration
Distribution Limits
Public
Copyright
Other
Keywords
planetary atmospheres

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