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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-2593
DTSTART:20120214T220000Z
DURATION:PT1H0M0S
DTSTAMP:20260306T231328Z
LAST-MODIFIED:20120207T150852Z
LOCATION:4274 Chamberlin Hall
SUMMARY:Ghosts in the ice - Searching for the Universe's most elusive 
 particles at the South Pole\, NPAC (Nuclear/Particle/Astro/Cosmo) Foru
 m\, Darren Grant\, University of Alberta
DESCRIPTION:In one of the planet's most extreme environments\, South P
 ole Station Antarctica\, scientists have instrumented more than a cubi
 c kilometer of ice to construct the world's largest neutrino detector 
 to date: the IceCube Neutrino Observatory.  Given its enormous size\, 
 IceCube is designed to detect the highest energy neutrinos predicted t
 o be produced in the most violent astrophysical processes.  The milest
 one deployment of the last of the observatory's 86 strings of optical 
 detectors\, in December 2010\, included the completion of two notewort
 hy additions to the original design:  a low-energy neutrino extension 
 (DeepCore) and a prototype direct-detection dark matter detector (DM-I
 ce).  These new detectors establish the first steps towards a precisio
 n particle astrophysics program in the Antarctic.  The early results f
 rom this emerging and potentially game-changing program will be discus
 sed.  Also included will be the initial expectations of future detecto
 r upgrades in the ice towards large-scale direct detection dark matter
  searches and multi-megaton neutrino detectors with very low\, O(10 Me
 V)\, energy thresholds.
URL:https://www.physics.wisc.edu/events/?id=2593
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