Premium
Simultaneous equatorial measurements of waves and precipitating electrons in the outer radiation belt
Author(s) -
Imhof W. L.,
Robinson R. M.,
Collin H. L.,
Wygant J. R.,
Anderson R. R.
Publication year - 1992
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/92gl02636
Subject(s) - van allen radiation belt , pitch angle , electron , physics , van allen probes , equator , flux (metallurgy) , radiation , electric field , range (aeronautics) , electron spectrometer , computational physics , magnetic field , geophysics , optics , magnetosphere , latitude , materials science , cathode ray , quantum mechanics , astronomy , metallurgy , composite material
Simultaneous wave and precipitating electron measurements near the equator in the outer radiation belt have been made from the CRRES satellite. The electron data of principal concern here were acquired in and about the loss cone with narrow angular resolution spectrometers covering the energy range 340 eV to 5 MeV. The wave data included electric field measurements spanning frequencies from 5 Hz to 400 kHz and magnetic field measurements from 5 Hz to 10 kHz. This paper presents examples in which the variations in electron fluxes in the loss cone and the wave intensities were correlated. These variations in electron flux were confined to pitch angles less than about 30°. The association between the flux enhancements and the waves is consistent with wave‐induced pitch angle diffusion processes.