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SUMMARY:The Calibration System Based On the Controllable UV/visible LED Pu
 lser for the Veto System of the DarkSide Detector
DTSTART;VALUE=DATE-TIME:20161012T123000Z
DTEND;VALUE=DATE-TIME:20161012T130000Z
DTSTAMP;VALUE=DATE-TIME:20260712T085712Z
UID:indico-contribution-635@cern.ch
DESCRIPTION:Speakers: Maxim Gromov (SINP MSU)\nA prototype of the calibrat
 ion system for the Liquid Scintillator Veto (LSV) and Water Cherenkov Veto
  (WCV) of the DarkSide detector have been developed.  The instrument consi
 sts of a fast double output flasher which can be configured and controlled
  via USB\, the appropriate application software. UV\, visible or combinati
 on of both LEDs could be installed.  Flashes amplitude\, repetition rate a
 nd delay time between two continuous pulses are adjustable. High –OH sil
 ica fibers are used to minimize intensity losses on the delivery path. X s
 hape splitter is used to combine two LED’s pigtailed output and then to 
 split the sum of the signals. One output feeds calibration path to the det
 ector\, while the second is used for pulse-to-pulse measurement of the fla
 sh intensity with compatible photodiode in combination with Flash ADC. The
  instrument allows to simulate point physical events in very wide energy r
 ange from a few hundred keV up to several dozen of MeV. Additional studies
  (pile-up analysis\, spatial reconstruction\, quenching as a function of p
 osition and wavelength) can be performed due to double-LEDs scheme and pos
 sibility of fast replacement of diodes.\n\nThe research was supported by t
 he grant of the Russian Science Foundation (project № 16-12-10369).\n\nh
 ttps://indico.particle.mephi.ru/event/4/contributions/635/
LOCATION:Milan Hotel Hall of the 2nd floor
URL:https://indico.particle.mephi.ru/event/4/contributions/635/
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