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AGU: Geophysical Research Letters

 

Index Terms

  • Ionosphere: Particle acceleration
  • Magnetospheric Physics: Energetic particles, trapped
  • Magnetospheric Physics: Plasma waves and instabilities
  • Meteorology and Atmospheric Dynamics: Lightning

Abstract

Trapped energetic electron curtains produced by thunderstorm driven relativistic runaway electrons

N. G. Lehtinen

STAR Laboratory, Stanford University, Stanford, CA 94305

U. S. Inan

STAR Laboratory, Stanford University, Stanford, CA 94305

T. F. Bell

STAR Laboratory, Stanford University, Stanford, CA 94305

Relativistic runaway electron beams driven upward by intense lightning‐generated quasielectrostatic (QE) fields undergo intense interactions with the background magnetospheric plasma, leading to rapid nonlinear growth of Langmuir waves. The beam electrons are strongly scattered by the waves in both pitch angle and energy, within one interhemispheric traverse along the Earth's magnetic field lines. While those electrons within the loss cone precipitate out, most of the electrons execute bounce and drift motions, forming detectable trapped curtains of energetic electrons.

Received 17 November 1999; accepted 4 January 2000; .

Citation: Lehtinen, N. G., U. S. Inan, and T. F. Bell (2000), Trapped energetic electron curtains produced by thunderstorm driven relativistic runaway electrons, Geophys. Res. Lett., 27(8), 1095–1098.

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