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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:0
UID:UW-Physics-Event-2645
DTSTART:20120412T193000Z
DURATION:PT1H0M0S
DTSTAMP:20260420T071544Z
LAST-MODIFIED:20120411T160323Z
LOCATION:4274 Chamberlin Hall
SUMMARY:Observation of Reactor Antineutrino Disappearance at RENO\, NP
 AC (Nuclear/Particle/Astro/Cosmo) Forum\, Soo-Bong Kim\, Seoul Nationa
 l University
DESCRIPTION:The RENO experiment has observed the disappearance of reac
 tor electron antineutrinos\, consistent with neutrino oscillations\, w
 ith a significance of 4.9 standard deviations. Antineutrinos from six 
 reactors at Yonggwang Nuclear Power Plant in Korea\, are detected by t
 wo identical detectors located at 294 m and 1383 m\, respectively\, fr
 om the reactor array center. In the 229 day data-taking period of 11 A
 ugust 2011 to 26 March 2012\, the far (near) detector observed 17102 (
 154088) electron antineutrino candidate events with a background fract
 ion of 5.5% (2.7%). A ratio of observed to expected number of antineut
 rinos in the far detector is 0.920+-0.009(stat.)+-0.014(syst.). From t
 he deficit\, we find sin^2(2theta_13)=0.113+-0.013(stat.)+-0.019(syst\
 ,) based on a rate-only analysis. In this talk\, its detailed analysis
  will be presented.
URL:https://www.physics.wisc.edu/events/?id=2645
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