Generative Artificial Intelligence for Air Shower Simulation
C. Bozza, A. Caliv\`a, A. De Caro, D. De Gruttola, S. De Pasquale, L.A. Fusco, G. Messuti, C. Poir\`e, S. Scarpetta, T. Virgili

TL;DR
This paper introduces a GAN-based method to significantly accelerate the simulation of air showers caused by cosmic rays, reducing computational costs while maintaining key distribution accuracy.
Contribution
The work presents the first application of GANs to simulate air showers, achieving real-time generation and substantial resource savings compared to traditional Monte Carlo methods.
Findings
Generation time per shower reduced by a factor of 10,000
Model accurately reproduces energy spectra and spatial distributions
Training time is approximately 74 hours
Abstract
The detailed simulation of extensive air showers, produced by primary cosmic rays interacting in the atmosphere, is a task that is traditionally undertaken by means of Monte Carlo methods. These processes are computationally intensive, accounting for a major fraction of the computational resources used in the large-scale simulations required by current and future experiments in the field of astroparticle physics. In this work, we present a novel approach based on Generative Adversarial Networks (GANs) to accelerate air shower simulations. We developed and trained a GAN on a dataset of high-energy proton-induced air showers generated with \texttt{CORSIKA}; our model reproduces key distributions of secondary particles, such as energy spectra and spatial distributions at ground level of muons. Once the model has been trained, which takes approximately 74 hours, the generation real time per…
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