AAS 200th meeting, Albuquerque, NM, June 2002
Session 37. CMEs and Prominences
Display, Tuesday, June 4, 2002, 10:00am-6:30pm, SW Exhibit Hall

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[37.03] Relationship Between DH Type II Radio Bursts and Energetic Particle Events

A.M. Rosas (CUA), N. Gopalswamy, M.L. Kaiser (NASA/GSFC)

A comparison of 134 interplanetary type II bursts detected by the WIND/WAVES experiment in the 1-14 MHz range is made with the solar energetic particle (SEP) events. The study period is from 1996 to 2001, which is between minimum and slightly above maximum of the current solar cycle (23). We find that approximately 74% of the IP type II bursts are related to an energetic particle event. We are continuing to investigate the reasons why some interplanetary type II radio bursts do not have energetic particle events. A longitudinal distribution of the solar sources of these events will be used to discriminate between the SEP and non-SEP type II bursts. The study will be able to tell us whether electron accelerators are also proton accelerators.

This research was supported by NASA. Travel to this meeting is partly supported by the SPD Studentship Award.

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Bulletin of the American Astronomical Society, 34
© 2002. The American Astronomical Soceity.