We discuss the results of a proton irradiation campaign of a GAGG:Ce (Cerium-doped Gadolinium Aluminum Gallium Garnet) scintillation crystal, carried out in the framework of the HERMES-TP/SP (High Energy Rapid Modular Ensemble of Satellites — Technological and Scientific Pathfinder) mission. A scintillator sample was irradiated with 70 MeV protons, at levels equivalent to those expected in equatorial and sun-synchronous low-Earth orbits over orbital periods spanning 6 months to 10 years. The data we acquired are used to introduce an original model of GAGG:Ce afterglow emission. Results from this model are applied to the HERMES-TP/SP scenario, aiming at an upper-bound estimate of the detector performance degradation resulting from afterglow emission.
Space Applications of GAGG:Ce Scintillators: A Study of Afterglow Emission by Proton Irradiation / Dilillo, G., Zampa, N., Campana, R., Fuschino, F., Pauletta, G., Rashevskaya, I., Ambrosino, F., Baruzzo, M., Cauz, D., Cirrincione, D., Citossi, M., Casa, G.D., Di Ruzza, B., Evangelista, Y., Galgoczi, G., Labanti, C., Ripa, J., Tommasino, F., Verroi, E., Fiore, F., et al.. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION B, BEAM INTERACTIONS WITH MATERIALS AND ATOMS. - ISSN 0168-583X. - ELETTRONICO. - 513:(2022), pp. 33-43. [10.1016/j.nimb.2021.12.006]
Space Applications of GAGG:Ce Scintillators: A Study of Afterglow Emission by Proton Irradiation
Di Ruzza B.;Tommasino F.;Verroi E.;Fiore F.;
2022-01-01
Abstract
We discuss the results of a proton irradiation campaign of a GAGG:Ce (Cerium-doped Gadolinium Aluminum Gallium Garnet) scintillation crystal, carried out in the framework of the HERMES-TP/SP (High Energy Rapid Modular Ensemble of Satellites — Technological and Scientific Pathfinder) mission. A scintillator sample was irradiated with 70 MeV protons, at levels equivalent to those expected in equatorial and sun-synchronous low-Earth orbits over orbital periods spanning 6 months to 10 years. The data we acquired are used to introduce an original model of GAGG:Ce afterglow emission. Results from this model are applied to the HERMES-TP/SP scenario, aiming at an upper-bound estimate of the detector performance degradation resulting from afterglow emission.| File | Dimensione | Formato | |
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