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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:0
UID:UW-Physics-Event-1200
DTSTART:20081003T210000Z
DURATION:PT1H0M0S
DTSTAMP:20260506T205502Z
LAST-MODIFIED:20100929T161153Z
LOCATION:2241 Chamberlin Hall (coffee at 3:30 pm)
SUMMARY:Cosmic Rays\, Physics Department Colloquium\, Pierre Sokolsky\
 , University of Utah
DESCRIPTION:The fourty year search for the end of the cosmic ray spect
 rum\, the so-called Greisen-Zatsepin-Kuzmin (GZK) Cutoff is described.
  This is the result of the inelastic interactions between ultra-high e
 nergy cosmic rays and the remnant universal black-body radiation. The 
 first definitive observation of this effect has recently been publishe
 d by the  High Resolution Fly's Eye Experiment. This result and confir
 ming evidence from the Pierre Auger Experiment will also be presented 
 and discussed. Results on the ultra-high energy composition and anisot
 ropy will also be presented as well as a discussion of the new Telesco
 pe Array project.
URL:https://www.physics.wisc.edu/events/?id=1200
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