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Proceedings of The 34th International Cosmic Ray Conference — PoS(ICRC2015)
We review recent work on 111 Fe-rich impulsive solar energetic (∼ 3 MeV/nuc) particle (SEP) events observed from 1994 to 2013. Strong elemental abundance enhancements scale with A/Q, the ion mass-to-charge ratio, as (A/Q) α , where 2 < α < 8 for different events. Most Fe-rich events are associated with both flares and coronal mass ejections (CMEs), and those with larger α are associated with smaller flares, slower and narrower CMEs, and lower SEP event fluences. The narrow equilibriumdoi:10.22323/1.236.0049 fatcat:4pg4subgljf5rbvx6gqlv6mm2m