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High energy particle dispersion events observed by interball-1 and -2 |
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| Authors: | K. Kudela V. N. Lutsenko D. G. Sibeck M. Slivka T. V. Gretchko E. T. Sarris |
| Affiliation: | a Institute of Experimental Physics, SAS, Watson str. 47, 04353, Kosice, Slovakia b Space Research Institute, RAS, Moscow, Russia c Applied Physics Laboratory, Johns Hopkins University, Laurel, MD, USA d Demokritos University of Thrace, Xanthi, Greece |
| Abstract: | Time period from October 1996 until January 1998 was checked on high energy resolution DOK2 energetic particle instrument measurements on Interball-1 and Interball-2 for the ion (> 20 keV) dispersive events (EDIS) with the exclusion of Interball-1 orbit parts in the tail. A variety of energy dispersive events, both in ion and electron spectra with different duration is found in the auroral regions, in the outer magnetosphere and near the cusp. While EDIS were observed in all sectors of MLT, the best conditions for their observation were in the afternoon local time. The characteristics of dispersive events observed by DOK2 are consistent with their explanation by the gradient-curvature drift of particles from the injection point(s) in the night local time sector given in Lutsenko at al., 2000a, b. |
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