The acceleration of electrons and ions in solar flares

Details The acceleration of electrons and ions in solar flares The acceleration of electrons and ions in solar flares

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ap%26ss.183..317v&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 183, no. 2, Sept. 1991, p. 317-321.

Astronomy and Astrophysics

Astrophysics

Electron Acceleration, Gamma Rays, Particle Acceleration, Solar Electrons, Solar Flares, Solar X-Rays, Satellite Observation, Solar Maximum Mission, Time Lag

Scientific paper

Gamma-ray line (GRL) emissions start later than the hard X-ray (HXR) emissions during impulsive and extended solar flares. Starting delay is more in the case of extended solar flares suggesting a slow acceleration of electrons and ions, in comparison to impulsive solar flares which indicate different acceleration mechanism for impulsive and extended solar flares. During solar flares, electrons and ions are accelerated simultaneously and the delay between HXR and GRL emissions results mainly due to differences in acceleratiaon times of electrons and ions to attain energies required for producing HXR emissions for electrons and GRL emissions for ions. Therefore, a single step acceleration mechanism may work in solar flares.

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