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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:3
UID:UW-Physics-Event-4731
DTSTART:20180216T213000Z
DURATION:PT1H0M0S
DTSTAMP:20260419T055047Z
LAST-MODIFIED:20180129T214302Z
LOCATION:2241 Chamberlin Hall
SUMMARY:Magnetic reconnection and particle acceleration in space and a
 strophysical systems\, Physics Department Colloquium\, James Drake\, U
 niversity of Maryland
DESCRIPTION:Magnetic reconnection converts energy into high-speed flow
 s\, thermal and energetic particles in a broad range of systems both i
 n the heliosphere and the broader universe. The most detailed measurem
 ents are within the heliosphere\, which therefore acts as an effective
  laboratory for many issues related to reconnection. While the mechani
 sms for fast reconnection are now fairly well understood\, the physics
  basis for the explosive onset of reconnection and the mechanisms for 
 energy conversion are active topics. Satellite-based observations are 
 producing important constraints on theoretical models. In solar flares
  the energy released is roughly equally partitioned between the therma
 l particles and the energetic components. In the magnetosphere and the
  laboratory thermal ions carry the bulk of the released energy. The MM
 S mission is producing unprecedented measurements in Earth's space env
 ironment that are being used to benchmark computational models. The ob
 servations of impulsive energy release in flares in the Crab Nebula pr
 ecipitated a rapid increase in the interest in reconnection-driven par
 ticle acceleration in astrophysical systems. The basic physics of reco
 nnection will be presented along with current ideas on the mechanisms 
 for plasma heating and energetic particle production.
URL:https://www.physics.wisc.edu/events/?id=4731
END:VEVENT
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