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Title: Role of oblique whistler-mode waves in energetic electron precipitation at the lower edge of inner radiation belt
Authors: Prakash, Ram
Agrawal, Bal Mukund
Issue Date: Jun-1999
Publisher: NISCAIR-CSIR, India
Abstract: An attempt has been made to study the precipitation of energetic (keV and MeV) electrons at the lower edge of inner radiation belt in terms of their quasi-linear gyro-resonant interaction with oblique whistler-mode waves. The calculated average pitch angle scattering (~10-1 degree) and lifetimes (~ days and hours only) indicate a significant electron precipitation by these waves into the lower latitude atmosphere. The low calculated lifetimes of energetic electrons and sufficiently high calculated flux of precipitated electrons caused due to gyro-resonant interaction involving oblique whistler-mode waves show that these non-ducted waves are likely to be an effective electron precipitator at the lower edge of inner radiation belt.
Page(s): 141-147
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.28(3) [June 1999]

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