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Radial diffusion of relativistic electrons in Neptune's magnetosphereMeasurements of greater than or = 1 MeV electrons in Neptune's magnetosphere from L approximately = 4 to 14 are well represented by solutions of a model radial diffusion equation that includes losses due to absorption by the satellite Proteus. The model provides estimates of the radial diffusion coefficient, which is 5 x 10(exp -8) (L/5)(exp 8)/s, and the outer boundary energy spectrum, which is an exponential with an e-folding energy of 0.1 MeV. The diffusion coefficient is consistent with theoretical estimates based on the assumption that diffusion is driven by atmospheric neutral winds.
Document ID
19950048768
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Selesnick, R. S.
(California Inst. of Tech., Pasadena, CA United States)
Stone, E. C.
(California Inst. of Tech., Pasadena, CA United States)
Date Acquired
August 16, 2013
Publication Date
July 15, 1994
Publication Information
Publication: Geophysical Research Letters
Volume: 21
Issue: 15
ISSN: 0094-8276
Subject Category
Astrophysics
Accession Number
95A80367
Funding Number(s)
CONTRACT_GRANT: NAGW-2402
CONTRACT_GRANT: NAS7-918
Distribution Limits
Public
Copyright
Other

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