EPJ Web Conf.
Volume 280, 2023RICAP-22, 8th Roma International Conference on Astroparticle Physics
|Number of page(s)||8|
|Published online||20 March 2023|
Ultra-high energy cosmic rays with the Pierre Auger Observatory
Universtità del Salento and INFN Lecce Italy
2 Observatorio Pierre Auger, Av. San Martín Norte 304 Malargüe 5613, Argentina Full author list: http://www.auger.org/archive/authors_2022_09.html
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Published online: 20 March 2023
In the era of multi-messenger astronomy, ultra-high energy cosmic rays offer the unique opportunity to investigate the nature of astrophysical sources and of particle interactions in an energy range far beyond that covered by current particle accelerators. The Pierre Auger Observatory, the world’s largest cosmic ray detector, combines in a hybrid design the information from fluorescence telescopes, observing the longitudinal profile of extensive air showers, with a surface array, measuring the lateral distributions of secondary particles at the ground. A review of selected results is presented, focusing on the measurements of energy spectrum and chemical composition and on the search for neutral primary particles. The future prospects will also be discussed in light of the extensive upgrade program being now implemented to further improve the Observatory potential.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).
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