Time Evolution of Elemental Ratios in Solar Energetic Particle events

@article{Zelina2016TimeEO,
  title={Time Evolution of Elemental Ratios in Solar Energetic Particle events},
  author={Peter Zelina and Silvia Dalla and Christina M. S. Cohen and Richard A. Mewaldt},
  journal={arXiv: Space Physics},
  year={2016}
}
Heavy ion ratio abundances in Solar Energetic Particle (SEP) events, e.g.~Fe/O, often exhibit decreases over time. Using particle instruments on the ACE, SOHO and STEREO spacecraft, we analysed heavy ion data from 4 SEP events taking place between December 2006 and December 2014. We constructed 36 different ionic pairs and studied their time evolution in each event. We quantified the temporal behaviour of abundant SEP ratios by fitting the data to derive a decay time constant $B$. We also… 
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TLDR
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