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Energy dependent pitch angle distributions of auroral primary electronsDouble-layer/parallel-electric field accelerations and the subsequent electron-beam plasma interactions involving Cerenkov and anomalous cyclotron resonances are considered. It is found that these phenomena yield pitch angle distributions as noted from rocket and satellite studies. Although the electron acceleration by weak parallel electric fields forming a runaway electron tail is limited to a critical parallel energy determined by the anomalous cyclotron resonance, such a limitation does not occur with acceleration by a localized parallel electric field such as that in a double layer.
Document ID
19880045235
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Singh, N.
(Alabama, University Huntsville, United States)
Date Acquired
August 13, 2013
Publication Date
February 1, 1988
Publication Information
Publication: Planetary and Space Science
Volume: 36
ISSN: 0032-0633
Subject Category
Geophysics
Accession Number
88A32462
Funding Number(s)
CONTRACT_GRANT: NAG8-639
Distribution Limits
Public
Copyright
Other

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