Abstract We consider the properties of four potential sources for energetic (E > 10 keV) ions and electrons in the magnetosheath: upstream Fermi acceleration and shock drift acceleration of incident solar wind particles at the bow shock, acceleration of magnetosheath ions through merging at the magnetopause, and escape from the magnetosphere. A review of previous observations suggests that the magnetosphere is the dominant source of the magnetosheath energetic particle population. Despite recent work to the contrary, we question whether energetic particle observations alone provide any evidence for merging at the dayside magnetopause.
Multiple satellite observations of leakage of particles from the magnetosphere
Advances in Space Research ; 8 , 9-10 ; 201-216
01.01.1989
16 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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