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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
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SEQUENCE:2
UID:UW-Physics-Event-8914
DTSTART:20241008T160000Z
DTEND:20241008T170000Z
DTSTAMP:20260408T073839Z
LAST-MODIFIED:20241002T033228Z
LOCATION:5310 Chamberlin Hall
SUMMARY:Physical Signatures of Fermion-Coupled Axions\, Theory Seminar
  (High Energy/Cosmology)\, Alexander J. Millar\, Fermilab
DESCRIPTION:While there is an abundance of experiments searching for a
 xion dark matter (DM) via its electromagnetic coupling\, there are few
 er utilizing its derivative coupling to electrons and nucleons. This d
 irect coupling generates dynamical effects through the fermion spin\, 
 and therefore spin-polarized targets are a naturally useful target. We
  propose using spin-polarized or magnetized analogs of layered dielect
 ric haloscopes\, which are sensitive to axions through their coupling 
 to electrons. These novel techniques can be powerful probes at both ra
 dio frequencies\, with sensitivity to currently unexplored parameter s
 pace\, and optical frequencies\, with sensitivity comparable to curren
 t astrophysical bounds.
URL:https://www.physics.wisc.edu/events/?id=8914
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