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SUMMARY:Study of the low-background Hamamatsu R11410-20 cryogenic PMTs for
  the RED100 detector
DTSTART;VALUE=DATE-TIME:20151007T131500Z
DTEND;VALUE=DATE-TIME:20151007T133000Z
DTSTAMP;VALUE=DATE-TIME:20260808T135152Z
UID:indico-contribution-306@cern.ch
DESCRIPTION:Speakers: Yury Melikyan (NRNU MEPhI)\nThe two-phase cryogenic 
 xenon emission detector RED100 is planned to be equipped by 38 Hamamatsu R
 11410-20 photomultiplier tubes\, which are claimed to be operable at cryog
 enic temperatures and made of extremely low background materials.\nA thoro
 ugh characterization procedure has been carried out for each PMT unit to b
 e installed to the detector. The main results obtained are presented here\
 , including the single photoelectron spectra parameters\, a set of gain-re
 presenting curves for a wide range of the bias voltage values\, typical am
 plitude integral spectrum of the PMT’s dark count rate and the distribut
 ion of 34 PMT samples through their dark count rate for equal gain values.
  Peculiar characteristics of several PMT units are further discussed and e
 xplained.\n\nhttps://indico.particle.mephi.ru/event/2/contributions/306/
LOCATION:Milan Hotel 4* Verdi
URL:https://indico.particle.mephi.ru/event/2/contributions/306/
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