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PRODID:UW-Madison-Physics-Events
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SEQUENCE:3
UID:UW-Physics-Event-7961
DTSTART:20230407T203000Z
DTEND:20230407T213000Z
DTSTAMP:20260414T053741Z
LAST-MODIFIED:20221202T203012Z
LOCATION:2241 Chamberlin Hall
SUMMARY:Cosmic Neutrinos at the Highest Energies\, Physics Department 
 Colloquium\, Stephanie Wissel\, Penn State
DESCRIPTION:Neutrinos are powerful probes of both astrophysics and fun
 damental particle physics at the highest energies. Weakly interacting 
 and uncharged\, they propagate undeterred and unabsorbed through the u
 niverse. In the last decade\, we have observed a flux of high-energy (
 TeV-scale) neutrinos and through a multi-messenger lens — the combin
 ed observations of neutrinos and other messengers like photons —  we
  are starting to see hints of energetic neutrino sources for the first
  time. At higher energies still\, beyond the PeV scale\, we can probe 
 the most energetic sources of both neutrinos and cosmic rays\, but cur
 rent neutrino experiments become too small to observe a sizable flux. 
  With long propagation lengths in both ice and air\, radio detection o
 ffers an attractive solution to building the gigaton-scale detectors n
 eeded by allowing us to build sparse detectors sensitive to neutrinos 
 over hundreds of kilometers. In this talk\, I will review the landscap
 e of current radio neutrino experiments\, how they may lead to discove
 ries of neutrinos in a new energy band\, and what they can reveal abou
 t the multi-messenger universe.
URL:https://www.physics.wisc.edu/events/?id=7961
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