Interaction of Relativistic Electrons with Packets of the Electromagnetic Ion Cyclotron Waves of Finite Length and Low Amplitude

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Resumo

Interaction of relativistic electrons with packets of the electromagnetic ion cyclotron waves of finite length and low amplitude in the Earth’s radiation belts is analyzed. The variance of the equatorial pitch angle of electrons for wave packets located near the Earth’s geomagnetic equator is estimated analytically within the linear approximation. The analytical estimates agree with the results of numerical test-particle simulation. It is demonstrated that reduction in the packet length extends the interaction range to lower energies beyond the range of resonant energies. Such an interaction can result in precipitation of electrons with energies on the order of several hundred kiloelectronvolts into the ionosphere.

Sobre autores

V. Grach

Gaponov-Grekhov Institute of Applied Physics, Russian Academy of Sciences

Email: vsgrach@ipfran.ru
603166, Nizhny Novgorod, Russia

A. Demekhov

Gaponov-Grekhov Institute of Applied Physics, Russian Academy of Sciences; Polar Geophysical Institute

Autor responsável pela correspondência
Email: vsgrach@ipfran.ru
603166, Nizhny Novgorod, Russia; 184209, Apatity, Russia

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Declaração de direitos autorais © В.С. Грач, А.Г. Демехов, 2023

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