Abstract:This paper presents the design and evaluation of a portable γ spectrometer with an automatic constant temperature function. The γ spectrometer includes a detector consisting of a CsI(Na) crystal coupled with a silicon photomultiplier (SiPM) array and highly integrated readout electronics. The performance of the crystal and SiPM changes with temperature. To solve this problem, we design a thermoelectric cooler-based unit to keep the temperature constant. Experiments are conducted to evaluate the performance of … Show more
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