End-To-End Optimization of the Layout of a Gamma Ray Observatory

Authors: Tommaso Dorigo, Max Aehle, Julien Donini, Michele Doro, Nicolas R. Gauger, Rafael Izbicki, Ann Lee, Luca Masserano, Federico Nardi, Sidharth S S, Alexander Shen

arXiv: 2310.01857v1 - DOI (astro-ph.IM)
47 pages, 15 figures

Abstract: In this document we describe a model of an array of water Cherenkov detectors proposed to study ultra-high-energy gamma rays in the southern hemisphere, and a continuous model of secondary particles produced on the ground from gamma and proton showers. We use the model of the detector and the parametrization of showers for the identification of the most promising configuration of detector elements, using a likelihood ratio test statistic to classify showers and a stochastic gradient descent technique to maximize a utility function describing the measurement precision on the gamma-ray flux.

Submitted to arXiv on 03 Oct. 2023

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