Nonlinear relaxation of an electron beam and reacceleration of fast electrons in solar flares

Details Nonlinear relaxation of an electron beam and reacceleration of fast electrons in solar flares Nonlinear relaxation of an electron beam and reacceleration of fast electrons in solar flares

Jun 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999arep...43..400k&link_type=abstract

Astronomy Reports, Volume 43, Issue 6, June 1999, pp.400-405

Astronomy and Astrophysics

Astronomy

Scientific paper

A numerical solution is found for the relaxation of an electron beam in solar-flare plasma, taking into account the nonlinear scattering of Langmuir waves on thermal ions of the plasma for beams with a mean velocity (10_20)nu_T_e. This process leaves the relaxation time virtually unchanged compared to the quasi-linear case, but leads to additional electron acceleration ~ by a factor of 1.5 and a decrease in the total loss of the electron beam. The predicted X-ray emission from such reaccelerated electron beams is in full agreement with observed values during solar flares.

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