GRAMS is a proposed balloon and satellite-borne gamma ray and antimatter detector aimed at
exploring the MeV energy bandgap as well as indirectly detecting dark matter. This study addresses
the MeV detection capabilities of GRAMS via truth-level GEANT4 simulations, as a function
of detector geometry and response. In particular, we examine Compton scattering as the vehicle
for point source detection. As a first study, we applied the simple backpropagation algorithm of
Compton cameras to accurately reconstruct point source location and energy and examined the
all-sky angular resolution of GRAMS, using truth-level detector information. We also calculated
the point source sensitivity against a power-law isotropic background spectrum as observed by
COMPTEL.
Detector Simulation Studies for the proposed Gamma-Ray and AntiMatter Survey (GRAMS)
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Pre-published on:
August 18, 2023
Published on:
September 27, 2024
Abstract
DOI: https://doi.org/10.22323/1.444.0795
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.