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  • Presentation | SH12B: Solar Energetic Particles in the Inner Heliosphere and Beyond I Oral
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  • SH12B-09: Turbulence 'Pressure Cooker' and Energization of Suprathermal Particles: IMAP, L1 Constellation, PSP and SO
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Author(s):
William Matthaeus, University of Delaware (First Author, Presenting Author)
Riddhi Bandyopadhyay, University of Delaware
Michael Shay, University of Delaware
Francesco Pecora, University of Delaware
Rohit Chhiber, University of Delaware
Subash Adhikari, University of Delaware
Yan Yang, University of Delaware


We still don't understand completely what produces energetic particles in the solar wind, even though these particles can pose a threat to satellites and space explorers. An interesting possibility, supplementing other known contributors, is the induced electric field generated by low frequency turbulence in the interplanetary plasma. This electric field can be enhanced in regions having strong gradients, such as the region where the solar wind speed exceeds the Alfven speed in a complex and erratic way, or the region near large scale sheets of electric current density between the solar north and south hemispheres. When fluctuations persist at these locations, they may provide a 'pressure cooker' to energize charged particles. We propose that the new IMAP mission working in concert with other satellites near earth, as well as the Parker Solar Probe and Solar Orbiter missions much closer to the sun, may provide opportunities to further study this mechanism.



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