He-3-rich flares - A possible explanation

Details He-3-rich flares - A possible explanation He-3-rich flares - A possible explanation

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...224.1048f&link_type=abstract

Astrophysical Journal, Part 1, vol. 224, Sept. 15, 1978, p. 1048-1055.

Other

123

Cosmic Rays, Helium Isotopes, Solar Corona, Solar Flares, Abundance, Drift Rate, Ion Injection, Iron, Magnetohydrodynamics

Scientific paper

A plasma mechanism is proposed to explain the dramatic enhancements in He-3 observed in He-3-rich flares. It is shown that a common current instability in the corona may heat ambient He-3(2+) over any other ion and thus may preferentially inject He-3 into the flare acceleration process. This mechanism operates when the abundance of He-4 and heavier elements is larger than normal in the coronal plasma. It may also preferentially heat and thus inject certain ions of iron. The mechanism thus provides a possible explanation for the observed correlation between He-3 and heavy enhancements in He-3-rich flares.

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