Efficiency and coincidence benchmarking of Monte Carlo method using 152Eu source

A real coaxial HPGe detector, and two lanthanide scintillation detectors have been modeled and characterized by means of Monte Carlo simulation, as part of a project to develop new techniques instrumentation to be used for the primary standardization of high intensity gamma source facilities. The si...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2023-08, Vol.332 (8), p.3009-3024
Main Author: Cosar, Ciprian
Format: Article
Language:English
Subjects:
Beta decay
Chemistry
Chemistry and Materials Science
Detectors
Diagnostic Radiology
Gamma rays
Hadrons
Heavy Ions
Inorganic Chemistry
Lanthanum chlorides
Monte Carlo simulation
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Software
Spectra
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Summary:A real coaxial HPGe detector, and two lanthanide scintillation detectors have been modeled and characterized by means of Monte Carlo simulation, as part of a project to develop new techniques instrumentation to be used for the primary standardization of high intensity gamma source facilities. The simulation of 152 Eu spectra with MCNP 6.2 was used to characterize the detectors in full energy peak efficiency, and coincidence-summing corrections. The 152 Eu source, has a complex decay, one by electron conversion, and second beta decay (-β), and in return the spectrum of 152 Eu has a lot of peaks affected by the True Coincidence Summing, so any experimental or simulated data needs correction for this effect either during the simulations or after. For post processing of gamma-ray spectra, we used EFFTRAN and GESPECOR software for corrections factors for HPGe, LaBr 3 (Ce), LaCl 3 (Ce) detectors. This work also made a comparison on how the two software’s will perform.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-023-08971-9