Proc. IAU volume 13, issue S335, P14-16 2017 DOI: 10.1017/s1743921317007980 View full text
N.-H. Chen, R. Bučík, R.-S. Kim

Abstract: Impulsive solar energetic particle (SEP) events originate from the energy dissipation process in small solar flares. Anomalous abundances in impulsive SEP events provide an evidence on unique, yet unclear, acceleration mechanism. The pattern of heavy-ion enhancements indicates that the temperature of the source plasma that is accelerated is low and not flare-like. We examine the solar source of the 3 He-rich SEP event of 2012 November 20 using Solar Dynamics Observatory (SDO)/ Atmospheric Imaging Assembly (AI…

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