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SUMMARY:SiPM based gamma camera prototypes investigation.
DTSTART;VALUE=DATE-TIME:20151010T084500Z
DTEND;VALUE=DATE-TIME:20151010T090000Z
DTSTAMP;VALUE=DATE-TIME:20260515T141729Z
UID:indico-contribution-464@cern.ch
DESCRIPTION:Speakers: Evgeny Lazarenko (NRNU MEPHI)\nThe utilization of si
 licon photomultipliers (SiPM) in the detection module opens up a new possi
 bilities of using a gamma camera. Two prototypes of gamma camera were deve
 loped. In the first prototype takes place a direct reading of monolithic s
 cintillator NaI(Tl) using SiPM matrix and signal digitizing from this matr
 ix utilizing a multichannel ASIC Maroc 3. In the second prototype between 
 the scintillator NaI(Tl) and silicon photodetectors orthogonally related w
 avelength shifting fibers (WLS) are placed reducing the number of photodet
 ectors.\n\nStudy of prototypes is required for calibration of simulation p
 rograms which allow to estimate expected spatial and energy gamma-camera r
 esolution. Dark rate\, crosstalk\, afterpulsing give rise of noise-factor 
 which violates initial photostatistics. Thus correct estimation of initial
  photons produced by gammas is a key question for carriing out of simulati
 on.\n\nhttps://indico.particle.mephi.ru/event/2/contributions/464/
LOCATION:Milan Hotel 4* Bellini
URL:https://indico.particle.mephi.ru/event/2/contributions/464/
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