Simulation of GRIS spectrometer response to the solar gamma-ray flare of 23 July 2002
Abstract
GRIS is a prospective experiment designed to measure hard X-rays and γ-rays of solar flares in the energy range from 50 keV to 200 MeV as well as solar neutrons > 30 MeV. This study considers results of GEANT 4 simulation of GRIS detectors response to cosmic background radiation and to the solar flare SOL2002-07-23 (X4.8). It is shown that the GRIS spectrometers have enough sensitivity and energy resolution to measure redshifts of some narrow γ-rays in flare spectra, that the low energy thresholds of the detectors can be lowered considerably without a risk of counting rate saturation during high magnitude flares and that at a choice between LaBr3(Ce) and CeBr3 the second one is a preferable scintillator for a hard X-ray and γ-ray spectrometer of solar flares.
- Publication:
-
Journal of Physics Conference Series
- Pub Date:
- January 2017
- DOI:
- 10.1088/1742-6596/798/1/012124
- Bibcode:
- 2017JPhCS.798a2124T