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Fokker-Planck equations for charged-particle transport in random fields.The Fokker-Planck equations for charged-particle dynamics are rederived, extending somewhat the elegant discussion of Hasselmann and Wibberenz. It is shown that the usual results are obtae and the conclusions in many cases are correct over a very broad range in energy. In particular, the rate for pitch-angle scattering may be accurately given down to energies much lower than previously thought. Recent claims that these Fokker-Planck equations are in general incorrect are thus shown to be in error.
Document ID
19720037719
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Jokipii, J. R.
Date Acquired
August 6, 2013
Publication Date
March 1, 1972
Publication Information
Publication: Astrophysical Journal
Volume: 172
Subject Category
Space Radiation
Accession Number
72A21385
Funding Number(s)
CONTRACT_GRANT: NGR-05-002-160
Distribution Limits
Public
Copyright
Other

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