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SUMMARY:Observation of the DANSS plastic scintillator aging during of 6 ye
 ars of operation
DTSTART;VALUE=DATE-TIME:20221201T094500Z
DTEND;VALUE=DATE-TIME:20221201T100000Z
DTSTAMP;VALUE=DATE-TIME:20260719T184323Z
UID:indico-contribution-3128@cern.ch
DESCRIPTION:Speakers: Igor Alekseev (KCTEP NRC KI)\nAging of the plastic s
 cintillators plays a significant role in the degradation\nof detectors per
 formance. Several effects are considered responsible for\nthis process lik
 e mechanical stresses\, water penetration and oxidation.\nThe DANSS detect
 or core consists of 2500 polystyrene based scintillation strips. \nThe det
 ector is located just below an industrial nuclear reactor\nof Kalininskaya
  NPP. The room housing the detector is air conditioned and \nhas very low 
 humidity. The temperature of about 20C was sustained at\nthe detector core
 . The performance of the scintillator is permanently\nmonitored with cosmi
 c muons passing through the detector. 6 years of\nobservation are reported
  since April 2016 till March 2022. The light yield\ndegradation about 1% p
 er year is observed.\n\nhttps://indico.particle.mephi.ru/event/275/contrib
 utions/3128/
LOCATION:Hotel Intourist Kolomenskoye 4* Moskvorechye 1
URL:https://indico.particle.mephi.ru/event/275/contributions/3128/
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