Astronomy and Astrophysics – Astronomy
Scientific paper
May 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21640435a&link_type=abstract
American Astronomical Society, AAS Meeting #216, #404.35
Astronomy and Astrophysics
Astronomy
Scientific paper
The observation of solar neutrons has long been recognized as a probe to learn the properties of ions accelerated in solar flares. To date, few energetic particle events produced by decaying solar flare neutrons have been reported, and the information they have provided has covered the 20-200 MeV energy range of the spectrum.
We present preliminary results of a comprehensive search of in-situ measurements of 1-10 MeV protons and 0.05-1 MeV electrons related to the decay of solar flare neutrons. We select a sample of 39 isolated large eastern hemisphere flares through solar cycle 23, and characterize the interplanetary magnetic field conditions after each flare. We analyze the electron and proton in-situ intensities observed by Wind following each solar flare and discuss the challenges that poses the detection of the decay products of low energy solar flare neutrons.
This work was supported by NASA under research grants NNX08AE34G and NAS5-98033.
Agueda Neus
Krucker Sa"m
Larson Davin E.
Lin Robert P.
Wang Lanjuan
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