MASS-Cube: a CubeSat Compton telescope based on pixelated CdZnTe detector

X. Zheng, J. Zhu, G. Ma,H. Chang, H. Gao, X. Pan, J. Qin, H. Li, Q. Wu, Y. Li, H. Feng,M. Zeng

2023 IEEE Nuclear Science Symposium, Medical Imaging Conference and International Symposium on Room-Temperature Semiconductor Detectors (NSS MIC RTSD)（2023）

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Abstract

The Gamma-rays in the MeV range are rich with scientific potential, whereas the sensitivity of telescopes operating in this range is much more worse than neighboring ranges. 3-D position-sensitive semiconductor detectors with high spatial resolution and high energy resolution shed new light on exploring this range. MASS-Cube is a CubeSat Compton telescope using pixelated CdZnTe detectors, based on the successful experiences of GRID CubeSat mission. Simulations and experiments have been done to evaluate the performances. A sub-millimeter position resolution and an energy resolution of ~1% at 662 keV is achieved.

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