GEANT4 simulation study of the response of a miniature radiation detector in Galactic Cosmic Rays and inside a spacecraftKonstantinos Karafasoulis, Christos Papadimitropoulos, Constantinos Potiriadis and Charalambos Pan LambropoulosJ. Space Weather Space Clim., 12 (2022) 8DOI: https://doi.org/10.1051/swsc/2022002