Elemental abundance differences between nuclei acclerated in CIR shocks and solar flares

Details Elemental abundance differences between nuclei acclerated in CIR shocks and solar flares Elemental abundance differences between nuclei acclerated in CIR shocks and solar flares

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....4..277d&link_type=abstract

In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 4 p 277-280 (SEE N85-34729 23-92)

Physics

Abundance, Interplanetary Dust, Particle Acceleration, Solar Cosmic Rays, Solar Flares, Electric Corona, Helium, High Energy Interactions, Hydrogen, Nuclear Particles, Solar System, Solar Wind

Scientific paper

Measurement of the ratios of nuclear abundances H/He, CNO/Fe-group and the Fe-group/HE for 51 passages of Corotating Interaction Regions (CIRs) at 1 AU, and measurement of these ratios from 620 solar flares in the energy range 0.6 to 4 MeV per nucleon, show that CIR shock acceleration alone does not change significantly these ratios from the values they have for solar system abundances or the solar wind. The solar flare ratios continue to reflect strong biases in the abundances, consistent with requirements for multistage acceleration rpocesses at the Sun.

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