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Ng et al. 1999

Ng, C.K., Reames, D.V. and Tylka, A.J. (1999). Effect of proton-amplified waves on the evolution of solar energetic particle composition in gradual events. Geophysical Research Letters 26: doi: 10.1029/1999GL900459. issn: 0094-8276.

We present a model of the coupled evolution of energetic ions and Alfv¿n waves, incorporating magnetic focusing, pitch-angle diffusion, wave amplification, and a traveling ion source. Ion transport through protonamplified waves with non-Kolmogorov spectra produces the contrasting three-stage evolution of Fe/O and He/H ratios at several MeV/amu observed by Wind/EPACT in the 20 April 1998 gradual solar energetic particle event [Tylka et al., 1999>. ¿ 1999 American Geophysical Union

BACKGROUND DATA FILES

	Abstract

Keywords
Solar Physics, Astrophysics, and Astronomy, Energetic particles, Interplanetary Physics, Interplanetary shocks, Solar Physics, Astrophysics, and Astronomy, Coronal mass ejections, Interplanetary Physics, Plasma waves and turbulence

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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