Pc2 electromagnetic ion cyclotron waves at 0.1 Hz, near the oxygen cyclotron frequency, have been observed by ISEE-1 and -2 between L = 7.6 - 5.8 on an inbound near equatorial pass in the dusk sector. The waves occurred in a thick plasmapause of width about 1 earth radius and penetrated about 1 earth radius into the plasmasphere. Wave onset was accompanied by significant increases in the thermal (0-100 eV) He(+) and the warm (0.1-16 keV/e) O(+) and He(+) heavy ion populations. Wave polarization is predominantly left-handed with propagation almost parallel to the ambient magnetic field, and the spectral slot and polarization reversal predicted by multicomponent cold plasma propagation theory are identified in the wave data. The results are considered as an example of wave-particle interactions occurring during the outer plasmasphere refilling process at the time of the substorm recovery phase.


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    Titel :

    Ion cyclotron waves observed near the plasmapause


    Beteiligte:
    Fraser, B. J. (Autor:in) / Samson, J. C. (Autor:in) / Mcpherron, R. L. (Autor:in) / Russell, C. T. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1986-01-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Ion cyclotron waves observed near the plasmapause

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    Mursula, K. / Braeysy, T. / Rasinkangas, R. et al. | British Library Conference Proceedings | 1999



    Narrow-Band Plasmapause Hiss

    Ondoh, T. | Online Contents | 1996