Beta detection of strontium-90 and the potential for direct in situ beta detection for nuclear decommissioning applications

Abstract

Beta detection of strontium-90 and the potential for direct in situ beta detection for nuclear decommissioning applications. Nuclear Instruments and Methods in

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“…Después del tiempo programado, emite un sonido para indicar que ha terminado de contar y muestra las cuentas en la pantalla. La fuente radiactiva de 90 Sr emite radiación β − [28] al realizar la transición del 90 Sr hacia el Itrio 90 ( 90 Y) [23]. En la Fig.…”

Geant4 investigation of the alpha-beta-gamma detector system used in medical imaging, environmental and nuclear site monitoring

“…Similar to tritium, the other important disposable radioisotope produced during nuclear fission is the long-lived beta-emitting Strontium-90, resulting from accidents at nuclear power plants and leaking from nuclear waste storage or nuclear weapon testing. If it is ingested into the body, the risk of damage to bone marrow, leukaemia and other bone cancer increases [6]. Therefore, it is also greatly important to monitor its activity in the environment, particularly, in groundwater around the nuclear facilities [6].…”

“…If it is ingested into the body, the risk of damage to bone marrow, leukaemia and other bone cancer increases [6]. Therefore, it is also greatly important to monitor its activity in the environment, particularly, in groundwater around the nuclear facilities [6]. Beta-emitting radioisotopes counting system is currently a long and arduous process.…”

“…However, these detector systems are large, immobile and not suitable as an in-situ detection system. Gallium-arsenide (GaAs) photodiode for detection of Strontium is a novel detection method and being a potential for direct, in situ beta detection for nuclear decommissioning application [6]. However, this new sensor technology using solid-state detectors, may not be applicable to detect low energy of the beta particles emitted by tritium [5].…”

“…However, this new sensor technology using solid-state detectors, may not be applicable to detect low energy of the beta particles emitted by tritium [5]. These solid-state detectors have several disadvantages like being expensive and radiation damage results in noise in the detector and can negatively affect the counting statistics [6]. Current techniques are lab-based, time-consuming, and produce secondary waste.…”