Compton-TDCR; a detector system for radionuclide metrology using simultaneous measurements of the light yield non-linearity and timing properties of scintillators - Archive ouverte HAL Access content directly
Conference Papers Year : 2022

Compton-TDCR; a detector system for radionuclide metrology using simultaneous measurements of the light yield non-linearity and timing properties of scintillators

Abstract

Almost pure beta-emitting radionuclides are challenging to detect and differentiate due to their rather short mean free path in scintillator leading to a poor light production. The LNHB is developing new measurement techniques based on the Compton interaction coincidences method to study the non-linearity of the light yield of scintillators. The major highlights of the system are the use of three-photomultiplier tubes and of a high-efficiency TDCR device [1] for absolute measurements of the average number of detected photons, together with the application of recently developed corrections for accidental coincidences. The performance of the system is demonstrated by measuring the dependence of the light yield on the deposited energy for widely used commercial liquid scintillators.
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cea-03869825 , version 1 (24-11-2022)

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  • HAL Id : cea-03869825 , version 1

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Benoit Sabot, Chavdar Dutsov, Pavlo Mai, Raphael Luci Marie, Sylvie Pierre, et al.. Compton-TDCR; a detector system for radionuclide metrology using simultaneous measurements of the light yield non-linearity and timing properties of scintillators. SCINT 2022 - 16th SCINT 2022 Scintillating Materials and their Applications, Sep 2022, Santa Fe, United States. ⟨cea-03869825⟩
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