Acceleration of Charged Particles in Collapsing Magnetic Traps During Solar Flares

Details Acceleration of Charged Particles in Collapsing Magnetic Traps During Solar Flares Acceleration of Charged Particles in Collapsing Magnetic Traps During Solar Flares

Feb 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001arep...45..157b&link_type=abstract

Astronomy Reports, Volume 45, Issue 2, February 2001, pp.157-161

Astronomy and Astrophysics

Astronomy

5

Scientific paper

This paper examines the mechanisms for the acceleration of electrons, protons, and ions during solar flares. The acceleration is assumed to occur in two steps. The particles are first pre-accelerated by the electric field of a high-temperature current sheet undergoing magnetic reconnection. A collapsing magnetic trap in the solar corona provides further acceleration. It is shown that the Fermi mechanism accelerates trapped protons and ions even more efficiently than it does electrons. The particles escaping from the trap have energies reaching several GeV. The energy distribution of the accelerated ions is essentially independent of their mass and degree of ionization.

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