Observations of Electrons from the Decay of Solar Flare Neutrons

Details Observations of Electrons from the Decay of Solar Flare Neutrons Observations of Electrons from the Decay of Solar Flare Neutrons

1996-04-03

arxiv.org/abs/astro-ph/9604019v1

Astrophys.J. 464 (1996) L87

Astronomy and Astrophysics

Astrophysics

4 pages (postscript), accepted by Astrophysical Journal Letters

Scientific paper

10.1086/310093

We have found evidence for fluxes of energetic electrons in interplanetary space on board the ISEE-3 spacecraft which we interpret as the decay products of neutrons generated in a solar flare on 1980 June 21. The decay electrons arrived at the s/c shortly before the electrons from the flare and can be distinguished from the latter by their distinctive energy spectrum. The time profile of the decay electrons is in good agreement with the results from a simulation based on a scattering mean free path derived from a fit to the flare electron data. The comparison with simultaneously observed decay protons and a published direct measurement of high-energy neutrons places important constraints on the parent neutron spectrum.

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