on the role of nonthermal electrons in EUV and X-ray line emissions from solar flares |
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Authors: | Ranjna Bakaya R R Rausaria |
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Institution: | (1) Radio Science Division, National Physical Laboratory, 110012 New Delhi, India;(2) Council of Distance Education, IGNOU, 110016 New Delhi, India |
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Abstract: | The energy and angular distribution of electrons as a function of column densities initially for monoenergetic and monodirectional
electron beams and incidence angles of 0‡, 30‡ and 60‡ have been studied by combining small angle scattering using analytical
treatment with large angle collisions using Monte Carlo calculations. Using these distributions, X-ray and EUV-line flux have
been studied as a function of column density. It is observed that the line flux increases with the increase in column density,
becoming significant at intermediate column densities where the electron energies and angular distributions have a non-Maxwellian
nature. |
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Keywords: | Solar flares: X-ray EUV line emission non thermal particle distribution |
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