Suprathermal Tails in Solar Wind Oxygen and Iron

Details Suprathermal Tails in Solar Wind Oxygen and Iron Suprathermal Tails in Solar Wind Oxygen and Iron

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agusmsh41a..13p&link_type=abstract

American Geophysical Union, Spring Meeting 2008, abstract #SH41A-13

Physics

2101 Coronal Mass Ejections (7513), 2102 Corotating Streams, 2114 Energetic Particles (7514), 2139 Interplanetary Shocks

Scientific paper

High speed suprathermal tails with a fixed energy spectrum have been observed in solar wind H and He2+, as well as in He+ pickup ions (e.g. Gloeckler et al., 2007). These tails appear to have a persistent and constant power law energy spectrum, unchanged in a variety of solar conditions. The presence of the tails have implications for particle injection into the interplanetary shock acceleration process. The suprathermal tails of ions heavier than H and He may be investigated with the STEREO/PLASTIC mass spectrometer, for speeds up to several times the solar wind speed. The energy spectra of solar wind O and Fe are presented for periods of slow and fast solar wind. Variations in energy spectra will be discussed.

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