Wave Excitation in Electron Beam Experiment on Japanese Satellite “ JIKIKEN (EXOS-B) ”
Beam-plasma interaction experiment has been made in the magnetosphere by emitting an electron beam (100 ~ 200 eV, 0.25 ~ 1.0 mA) from the satellite “JIKIKEN” (EXOS-B). Various types of wave emission are detected by LF and HF wave detectors. Waves near at upper-hybrid frequency and at electron cyclotron frequency are detected in a low L-value region, which will be useful diagnostic means for plasma density and magnetic field. Vehicle charging up to the beam energy is also observed outside the plasmapause.
KeywordsWave Excitation Plasma Interaction Beam Emission Electron Cyclotron Frequency Electron Beam Emission
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