Computer Science
Scientific paper
Feb 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992nascp3137..528s&link_type=abstract
In NASA. Goddard Space Flight Center, The Compton Observatory Science Workshop p 528-535 (SEE N92-21874 12-90)
Computer Science
Current Sheets, Electromagnetic Fields, Gamma Rays, Particle Acceleration, Solar Electrons, Solar Flares, Solar Magnetic Field, Solar Protons, Implosions, Magnetohydrodynamics, Solar Radiation
Scientific paper
We present a model for high-energy solar flares to explain prompt proton and electron acceleration, which occurs around moving X-point magnetic field during the implosion phase of the current sheet. We derive the electromagnetic fields during the strong implosion phase of the current sheets, which is driven by the converging flow derived from the magnetohydrodynamic equations. It is shown that both protons and electrons can be promptly (within 1 second) accelerated to approximately 70 MeV and approximately 200 MeV, respectively. This acceleration mechanism can be applicable for the impulsive phase of the gradual gamma ray and proton flares (gradual GR/P flare), which have been called two-ribbon flares.
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