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Space applications of GAGG:Ce scintillators: a study of afterglow emission by proton irradiation

Journal
Date Issued
2022
Author(s)
Giuseppe Dilillo
•
Nicola Zampa
•
Riccardo Campana
•
Fabio Fuschino
•
Giovanni Pauletta
•
Irina Rashevskaya
•
Filippo Ambrosino
•
Marco Baruzzo
•
Diego Cauz
•
Daniela Cirrincione
•
Marco Citossi
•
Giovanni Della Casa
•
Benedetto Di Ruzza
•
Yuri Evangelista
•
Gábor Galgóczi
•
Claudio Labanti
•
Jakub Ripa
•
Francesco Tommasino
•
Enrico Verroi
•
•
Andrea Vacchi
DOI
Abstract
We discuss the results of a proton irradiation campaign of a GAGG:Ce (Cerium-doped Gadolinium Aluminium 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.
Funding(s)
Volume
513
Start page
33
Uri
Url
Issn Identifier
0168-583X
Rights
open.access
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