Toward the end-to-end optimization of the SWGO array layout

In this document we consider the problem of finding the optimal layout for the array of water Cherenkov detectors proposed by the SWGO collaboration to study very-high-energy gamma rays in the southern hemisphere. We develop a continuous model of the secondary particles produced by atmospheric showers initiated by high-energy gamma rays and protons, and build an optimization pipeline capable of identifying the most promising configuration of the detector elements. The pipeline employs stochastic gradient descent to maximize a utility function aligned with the scientific goals of the experiment. We demonstrate how the software is capable of finding the global maximum in the high-dimensional parameter space, and discuss its performance and limitations.

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Publication Details

Journal
Nuclear Physics B
Published
2025-05-02
DOI
https://doi.org/10.1016/j.nuclphysb.2025.116934
Citations
1
Primary Topic
Radio Astronomy Observations and Technology
Type
article
Field-Weighted Citation Impact
1.15

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Toward the end-to-end optimization of the SWGO array layout

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Toward the end-to-end optimization of the SWGO array layout

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article en
1 citations

Abstract

In this document we consider the problem of finding the optimal layout for the array of water Cherenkov detectors proposed by the SWGO collaboration to study very-high-energy gamma rays in the southern hemisphere. We develop a continuous model of the secondary particles produced by atmospheric showers initiated by high-energy gamma rays and protons, and build an optimization pipeline capable of identifying the most promising configuration of the detector elements. The pipeline employs stochastic gradient descent to maximize a utility function aligned with the scientific goals of the experiment. We demonstrate how the software is capable of finding the global maximum in the high-dimensional parameter space, and discuss its performance and limitations.

Nuclear Physics BVol. 1017
Karlsruhe Institute of Technology (DE), University of Padua (IT), University of Kaiserslautern (DE), Universidade Federal de São Carlos (BR), Luleå University of Technology (SE), Université Clermont Auvergne (FR), University of Koblenz and Landau (DE), Education and Research Network (IN), Istituto Nazionale di Fisica Nucleare, Sezione di Padova (IT), Universal Scientific Education and Research Network (IR), Regione del Veneto (IT), Campbell Collaboration (NO), Birla Institute of Technology and Science, Pilani (IN), Carnegie Mellon University (US)
Alexander von Humboldt-Stiftung
Openalex Percentile: Top 20%
Radio Astronomy Observations and Technology
1.15
DOIOpen Access PDFOpenAlex
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