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Experimental limits on the velocities of sodium atoms sputtered from solid surfaces by hydrogen ionsOptical emission at 589.0 nm by sodium atoms sputtered from solid targets by hydrogen molecular ions was observed, and no accompanying broadening or shifts of this line could be detected relative to that from a laboratory lamp. This allowed an upper limit of about 500,000 cm/sec on the mean speed of ejected sodium atoms to be calculated. The results are consistent with the hypothesis that the atomic sodium cloud surrounding Io is produced by this mechanism.
Document ID
19760057199
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Stoner, J. O., Jr.
(Arizona, University Tucson, Ariz., United States)
Date Acquired
August 8, 2013
Publication Date
July 15, 1976
Publication Information
Publication: Astrophysical Journal
Volume: 207
Subject Category
Lunar And Planetary Exploration
Accession Number
76A40165
Distribution Limits
Public
Copyright
Other

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