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Fast electrons in small solar flaresThis review summarizes both the direct spacecraft observations of nonrelativistic solar electrons, and observations of the X-ray and radio emission generated by these particles at the sun and in the interplanetary medium. These observations bear on the basic astrophysical process of particle acceleration in tenuous plasmas. We find that in many small solar flares, the nearly 5-100 keV electrons accelerated during flash phase constitute the bulk of the total flare energy. Thus the basic flare mechanism in these flares essentially converts the available flare energy into fast electrons. These electrons may produce the other flare electromagnetic emissions through their interactions with the solar atmosphere. In large proton flares these electrons may provide the energy to eject material from the sun and to create a shock wave which could accelerate nuclei and electrons to much higher energies.
Document ID
19760027177
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Lin, R. P.
(California, University Berkeley, Calif., United States)
Date Acquired
August 8, 2013
Publication Date
January 1, 1975
Subject Category
Solar Physics
Meeting Information
Meeting: Solar gamma-, X-, and EUV radiation
Location: Buenos Aires
Country: Argentina
Start Date: June 11, 1974
End Date: June 14, 1974
Accession Number
76A10143
Funding Number(s)
CONTRACT_GRANT: NGL-05-003-017
Distribution Limits
Public
Copyright
Other

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