Abstract
The results of neutron-activation measurements performed using the model of planetary soil and detectors based on high-purity germanium (HPGe) and cerium bromide (CeBr3) are reported. Gamma lines lying in the energy range from 200 keV to 8 MeV are used as indicators to compare these two types of detectors in experiments with the model irradiated by 14-MeV neutrons from a pulse neutron generator. The results will aid the design of scientific instruments for the active neutron and gamma spectroscopy of planet surfaces in future Russian and international lander missions (Luna-Glob, Luna-Resurs, and ExoMars-2020).
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Original Russian Text © D.V. Golovin, M.L. Litvak, I.G. Mitrofanov, A.A. Vostrukhin, P.V. Dubasov, A.O. Zontikov, A.S. Kozyrev, A.R. Krylov, V.A. Krylov, M.I. Mokrousov, A.N. Repkin, A.B. Sanin, G.N. Timoshenko, K.V. Udovichenko, V.N. Shvetsov, 2018, published in Pis’ma v Zhurnal Fizika Elementarnykh Chastits i Atomnogo Yadra, 2018.
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Golovin, D.V., Litvak, M.L., Mitrofanov, I.G. et al. Comparison of Sensitivities of Semiconductor (HPGe) and Scintillation (CeBr3) Detectors in the Measurement of Gamma Spectra Induced by Neutrons in the Model of Planetary Soil. Phys. Part. Nuclei Lett. 15, 524–530 (2018). https://doi.org/10.1134/S1547477118050096
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DOI: https://doi.org/10.1134/S1547477118050096