NDLI: Emission of x and rays by relativistic runaway electrons produced during atmospheric lightning.

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Emission of x and rays by relativistic runaway electrons produced during atmospheric lightning.

Content Provider	CiteSeerX
Abstract	Abstract: Quasi electrostatic fields generated during the lightning produces runaway electrons with energies in MeV range. These relativistic electrons can emit X and rays over the lightning region. Light emission appears in the form of red sprites and blue jets in their path towards the lower ionosphere. Some of these energetic runaway electrons are trapped by the Earth radiation belt and some fall down in the magnetically conjugate point in the opposite hemisphere. Whistler waves excited by lightning can accelerate electrons in the Earth's magnetosphere. In this research work the distribution function of relativistic electrons energy is calculated. The angular distribution of the electron beam moving along the magnetic field, , the variation of the distribution function with the Earth magnetic latitude and the variation of electron beam radius with altitude resulted from diffusion and scattering are discussed. The variation of dynamic friction force with runaway electrons energies is plotted and the decrease in the scattering cross section with electrons energy is demonstrated.
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Subject Keyword	Atmospheric Lightning Relativistic Runaway Electron Distribution Function Earth Radiation Belt Electron Beam Radius Quasi Electrostatic Field Runaway Electron Dynamic Friction Force Earth Magnetic Latitude Mev Range Electron Energy Conjugate Point Research Work Light Emission Relativistic Electron Electron Beam Angular Distribution Lightning Region Runaway Electron Energy Magnetic Field Blue Jet Relativistic Electron Energy Energetic Runaway Electron Scattering Cross Section Whistler Wave Red Sprite
Content Type	Text
Resource Type	Article

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