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Published 1999 | Version Published
Book Section - Chapter Open

Correlated Elemental and Isotopic Variations in Solar Energetic Particles

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Abstract

We consider whether the observed fractionation of Ne isotopes recently reported in solar energetic particle (SEP) events is due to the same charge-to-mass dependent fractionation processes that apparently cause SEP elemental composition variations. We find that the observed correlation of the 22Ne/20Ne and Na/Mg ratios in nine large SEP events is consistent with a common fractionation process if the charge states of these ions are characteristic of a source temperature of -1.5 to -4 million degrees.

Additional Information

© University of Utah. Provided by the NASA Astrophysics Data System. This work was supported by NASA at Caltech (under NAG5-6912), the Jet Propulsion Laboratory, and at the Goddard Space Flight Center.

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54749
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CaltechAUTHORS:20150211-164947365

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http://adsabs.harvard.edu/abs/1999ICRC....6..127M (URL)

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NASA
NAG5-6912

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2015-02-13
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Updated
2020-03-09
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Space Radiation Laboratory
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Space Radiation Laboratory
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1999-16