Abstract
The measurement of high-energy \(\gamma \)-rays is an important experimental method to study the giant resonance in a nucleus, \(\gamma \) reaction in nuclear astrophysics, and so on. The performance of a large-size CsI detector for \(\gamma \)-rays detection is studied by comparison between the experimental measurements and GEANT4 simulation. The reliability of the simulated efficiency for low-energy \(\gamma \)-rays is verified by comparing with the experimental data. The efficiency of the CsI detector for high-energy \(\gamma \)-rays was obtained by the GEANT4 simulation. The simulation shows that the detection efficiency of 20 MeV \(\gamma \)-rays can reach 3.8%.
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This work was supported by the Major State Basic Research Development Program of China (No. 2013CB834405) and the National Natural Science Foundation of China (Nos. 11421505, 11475244, and 11175231).
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Dong, H., Fang, DQ. & Li, C. Study on the performance of a large-size CsI detector for high energy γ-rays. NUCL SCI TECH 29, 7 (2018). https://doi.org/10.1007/s41365-017-0345-1
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DOI: https://doi.org/10.1007/s41365-017-0345-1