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SUMMARY:The Elusive Sources of Solar Energetic Particles - Stephanie Yardl
 ey\, University of Reading
DTSTART:20221010T130000Z
DTEND:20221010T140000Z
UID:TALK182462@talks.cam.ac.uk
CONTACT:Dr Yamini K Rao
DESCRIPTION:Solar energetic particles (SEPs) are accelerated by magnetic r
 econnection-driven processes during solar flares and by coronal mass eject
 ion (CME)-driven shocks. Large gradual SEP events\, associated with high e
 nergy protons (up to tens of GeV) can cause hazardous space weather condit
 ions at Earth and hence pose a severe radiation risk for crewed spacefligh
 t and a significant threat to near-Earth technological assets. However\, w
 e currently do not fully understand where SEPs originate from and what spe
 cific features in a solar active region could be the sources of SEPs. In t
 his work\, we have used observations from multiple space-based missions al
 ong with magnetic field modelling to identify the source of SEPs and the i
 mportant role that the magnetic field configuration surrounding the active
  region\, the magnetic connectivity and CME propagation direction play in 
 the escape and arrival of SEPs at Earth.
LOCATION:In Person MR14
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