Narrow spikes enhanced by electron precipitation under the inner radiation belt

Naoki Masuyama; Makoto Hareyama; Satoshi Kodaira; Kunitomo Sakurai; Nobuyuki Hasebe

Narrow spikes enhanced by electron precipitation under the inner radiation belt

Naoki Masuyama, Makoto Hareyama, Satoshi Kodaira, Kunitomo Sakurai, Nobuyuki Hasebe

Research output: Contribution to journal › Article › peer-review

Abstract

The observation of energetic particles trapped in the magnetosphere has made clear that narrow spikes of these particles as observed at L~1.6 are causally generated by the precipitation of particles trapped in the inner radiation belt. Furthermore, the occurrence frequency of these spikes is well correlated with the local time as coincident with the radio power transmitted from a VLF station located in west Australia, NWC. The results suggest that narrow spikes observed at L~1.6 are mainly caused by the radio power from VLF transmitter, NWC located in Australia.

Original language	English
Pages (from-to)	146-148
Number of pages	3
Journal	Journal of the Physical Society of Japan
Volume	78
Issue number	SUPPL. A
Publication status	Published - 2009

Keywords

Electron precipitation
Radiation belt
Spike
VLF

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "The observation of energetic particles trapped in the magnetosphere has made clear that narrow spikes of these particles as observed at L~1.6 are causally generated by the precipitation of particles trapped in the inner radiation belt. Furthermore, the occurrence frequency of these spikes is well correlated with the local time as coincident with the radio power transmitted from a VLF station located in west Australia, NWC. The results suggest that narrow spikes observed at L~1.6 are mainly caused by the radio power from VLF transmitter, NWC located in Australia.",

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author = "Naoki Masuyama and Makoto Hareyama and Satoshi Kodaira and Kunitomo Sakurai and Nobuyuki Hasebe",

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T1 - Narrow spikes enhanced by electron precipitation under the inner radiation belt

AU - Masuyama, Naoki

AU - Hareyama, Makoto

AU - Kodaira, Satoshi

AU - Sakurai, Kunitomo

AU - Hasebe, Nobuyuki

PY - 2009

Y1 - 2009

N2 - The observation of energetic particles trapped in the magnetosphere has made clear that narrow spikes of these particles as observed at L~1.6 are causally generated by the precipitation of particles trapped in the inner radiation belt. Furthermore, the occurrence frequency of these spikes is well correlated with the local time as coincident with the radio power transmitted from a VLF station located in west Australia, NWC. The results suggest that narrow spikes observed at L~1.6 are mainly caused by the radio power from VLF transmitter, NWC located in Australia.

AB - The observation of energetic particles trapped in the magnetosphere has made clear that narrow spikes of these particles as observed at L~1.6 are causally generated by the precipitation of particles trapped in the inner radiation belt. Furthermore, the occurrence frequency of these spikes is well correlated with the local time as coincident with the radio power transmitted from a VLF station located in west Australia, NWC. The results suggest that narrow spikes observed at L~1.6 are mainly caused by the radio power from VLF transmitter, NWC located in Australia.

KW - Electron precipitation

KW - Radiation belt

KW - Spike

KW - VLF

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