Abstract

The paper discusses the main elements of the developed portable radiometric system (PRS) and options for its application. Silicon photomultipliers were used in the development of the PRS detector modules. It made possible to significantly reduce their size. Such devices and systems find their application in solving various problems of medical radionuclide diagnostics that require an increased field of view, an extended research time range and mobility. The main goal of the work was to find the optimal configuration of the PRS elements to ensure its minimum size and, at the same time, the maximum radiation detection efficiency, taking into account the features of the objects under study and the kinetics of the processes occurring in them. In addition, an algorithm for selecting the minimum amount of activity of a radioactive preparation required for each study is additionally considered.

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