Summary
A NaI(Tl) scintillator detector has been modeled using GEANT simulation tool. Uniformity of the light collection efficiency was investigated by allowing a narrowly collimated beam of 59.5 keV g-rays to strike selected portion of the detector crystal. The simulated response function of the detector to the point source of photons was in good agreement with the measured one. Using the detector model, the simulated response function of the scintillator to the volume source of g-ray was also measured.
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Ashrafi, S., Anvarian, S. & Sobhanian, S. Monte-Carlo modeling of a NaI(Tl) scintillator. J Radioanal Nucl Chem 269, 95–98 (2006). https://doi.org/10.1007/s10967-006-0236-0
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DOI: https://doi.org/10.1007/s10967-006-0236-0