POLAR 5—an electron accelerator experiment within an aurora. 2. Scattering of an artificially produced electron beam in the atmosphere |
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Authors: | BN Maehlum B Grandal TA Jacobsen J Trøim |
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Institution: | Norwegian Defence Research Establishment, N-2007 Kjeller, Norway |
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Abstract: | The interaction between an artificially produced narrow beam of electrons and the upper atmosphere has been studied by the POLAR 5 electron accelerator “mother”-“daughter” rocket. It is shown how the beam develops a “halo” of scattered electrons and how the low energy electron population in this “halo” is produced partly during the ionization process (at low altitudes), partly by a “wave-plasma” interaction which accelerates the ionospheric background electrons. |
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