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Astroparticle and particle physics at ultra-high energy: Results from the Pierre Auger Observatory

Antonella Castellina for the Pierre Auger Collaboration

SciPost Phys. Proc. 13, 034 (2023) · published 29 September 2023

Proceedings event

21st International Symposium on Very High Energy Cosmic Ray Interactions

Abstract

The scientific achievements of the Pierre Auger Collaboration cover diverse and complementary fields of research. The search for the origin of ultra-high energy cosmic rays (UHECRs) is based on the measurement of the energy spectrum and mass composition of the primaries, on studies of multi-messengers, and on extensive anisotropy searches. With the collected data it is also possible to explore the characteristics of hadronic interactions at energies unreachable at human-made accelerators, and to assess the existence of non-standard physics effects. A selection of the latest results is presented and the emerging picture is discussed.


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