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SUMMARY:CMB Polarization Results from the QUIET Experiment
DTSTART;VALUE=DATE-TIME:20120707T064500Z
DTEND;VALUE=DATE-TIME:20120707T070000Z
DTSTAMP;VALUE=DATE-TIME:20130524T222947Z
UID:indico-contribution-426@cern.ch
DESCRIPTION:Speakers: Dr. HASEGAWA\, Masaya (KEK (JP))\nQUIET is a ground-
 based CMB Polarization experiment\, which aims to detect the degree-scale 
 B-modes (curl components) induced by primordial gravitational waves. The e
 xistence of the primordial gravitational wave is a generic prediction of i
 nflationary universe\, therefore the detection of the B-modes is a "smokin
 g-gun" signature of the inflation. The B-mode signal is expected to be ord
 ers of magnitude smaller than the temperature anisotropy so having a large
  detector array with precise control and mitigation of systematic effects 
 is essential.\n  QUIET employs the world largest coherent receiver arrays 
 in 43 GHz and 95 GHz frequency bands\, and had accumulated CMB data for ov
 er 10000 hours at 5\,000m altitude in Chile: the Chajnantor plateau. Our u
 nique instruments design and the calibration strategy lead to the lowest l
 evels of systematic errors to date. Those advantages enable us to begin to
  prove the B-modes.\n In this talk\, I will describe the QUIET experiment 
 and the results for the CMB polarization measurements.\n\nhttp://indico.ce
 rn.ch/contributionDisplay.py?contribId=426&sessionId=55&confId=181298
LOCATION:Melbourne Convention and Exhibition Centre Room 216
URL:http://indico.cern.ch/contributionDisplay.py?contribId=426&sessionId=5
 5&confId=181298
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