Development of a single photon counting gamma-ray camera for Compton noise elimination

In this study, the noise resulting from Compton scattering was quantified when gamma images were acquired with a 50-mm thick scintillator array detectors, and the solution method was proposed to its elimination. To perform it, a system capable of recording the events and occurrence times at each one...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2017-02, Vol.311 (2), p.1355-1359
Main Authors: Kim, Jiseok, Sun, Gwang Min, Jin, Sungbok, Hoang, Sy Minh Tuan
Format: Article
Language:English
Subjects:
Arrays
Background radiation
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Elastic scattering
Gamma rays
Hadrons
Heavy Ions
Image acquisition
Image degradation
Image quality
Inorganic Chemistry
Monte Carlo methods
Monte Carlo simulation
Noise
Nuclear Chemistry
Nuclear energy
Nuclear Physics
Physical Chemistry
Scintillation counters
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Summary:In this study, the noise resulting from Compton scattering was quantified when gamma images were acquired with a 50-mm thick scintillator array detectors, and the solution method was proposed to its elimination. To perform it, a system capable of recording the events and occurrence times at each one of the 144 scintillator array elements has been developed. This study also presents that the Compton noise was not the dominant source of image quality degradation in the experiment, but its negative influence of the Monte Carlo simulation can increase greatly to lower detection threshold energies.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-016-5045-5