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Spontaneous synchrotron emission from a plasma with an energetic runaway electron tailThe emissivity of spontaneous synchrotron radiation is computed for a plasma consisting of a background thermal plasma in addition to an energetic runaway electron component. The analysis is performed for both the ordinary and extraordinary modes, for frequencies in the vicinity of the electron plasma frequency and the higher harmonics of the electron gyrofrequency, and for the case when the electron plasma frequency is approximately the same as or smaller than the cyclotron frequency. The relativistic gyroresonance with the runaway electrons is found to result in a level of spontaneous emission which, for frequencies in the neighborhood of the electron plasma frequency, is significantly enhanced over the thermal radiation.
Document ID
19790034718
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Freund, H. P.
(Rio Grande do Sul Univ. Porto Alegre, Brazil)
Dillenburg, D.
(Rio Grande do Sul, Universidade Federal, Porto Alegre, Brazil)
Wu, C. S.
(Rio Grande do Sul Univ. Porto Alegre, Brazil)
Lee, L. C.
(Maryland, University College Park, Md., United States)
Date Acquired
August 9, 2013
Publication Date
September 1, 1978
Publication Information
Publication: Physics of Fluids
Volume: 21
Subject Category
Plasma Physics
Accession Number
79A18731
Funding Number(s)
CONTRACT_GRANT: NGL-21-002-005
Distribution Limits
Public
Copyright
Other

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