A Perspective on Solar Energetic Particles
Donald V Reames
TL;DR
This paper reviews the evolution of understanding solar energetic particles, highlighting the shift from early abundance studies to modern shock acceleration models and the role of solar jets.
Contribution
It provides a comprehensive perspective on the development of SEP research, emphasizing the transition from myth-based models to shock wave and jet interactions as sources.
Findings
Shock acceleration is now the dominant paradigm for large SEP events.
Element abundance enhancements follow power laws in mass-to-charge ratios.
Solar jets and shock waves are key sources of SEPs.
Abstract
The author has been fortunate to observe and participate in the rise of the field of solar energetic particles (SEPs), from the early abundance studies, to the contemporary paradigm of shock acceleration in large SEP events, and element abundance enhancements that are power laws in mass-to-charge ratios from H to Pb. Through painful evolution the "birdcage" model and the "solar-flare myth" came and went, leaving us with shock waves and solar jets that can interact as sources of SEPs.
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