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| Titel |
Pitch-angle diffusion coefficients from resonant interactions with electrostatic electron cyclotron harmonic waves in planetary magnetospheres |
| VerfasserIn |
A. K. Tripathi, R. P. Singhal, K. P. Singh |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 29, no. 2 ; Nr. 29, no. 2 (2011-02-11), S.321-330 |
| Datensatznummer |
250016970
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| Publikation (Nr.) |
 copernicus.org/angeo-29-321-2011.pdf |
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| Zusammenfassung |
| Pitch-angle diffusion coefficients have been calculated for resonant
interaction with electrostatic electron cyclotron harmonic (ECH) waves in
the magnetospheres of Earth, Jupiter, Saturn, Uranus and Neptune.
Calculations have been performed at two radial distances of each planet. It
is found that observed wave electric field amplitudes in the magnetospheres
of Earth and Jupiter are sufficient to put electrons on strong diffusion in
the energy range of less than 100 eV. However, for Saturn, Uranus and
Neptune,
the observed ECH wave amplitude are insufficient to put electrons on strong
diffusion at any radial distance. |
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