| Issue |
EPJ Web Conf.
Volume 182, 2018
6th International Conference on New Frontiers in Physics (ICNFP 2017)
|
|
|---|---|---|
| Article Number | 02023 | |
| Number of page(s) | 10 | |
| Section | Talks | |
| DOI | https://doi.org/10.1051/epjconf/201818202023 | |
| Published online | 03 August 2018 | |
https://doi.org/10.1051/epjconf/201818202023
The Pierre Auger Observatory: latest results and future perspectives
1
Università degli Studi di Catania, Italy
2
INFN Sezione di Catania, Italy
3
Observatorio Pierre Auger, Av. San Martín Norte 304, 5613 Malargüe, Argentina
a e-mail: mario.buscemi@ct.infn.it
Published online: 3 August 2018
The Pierre Auger Observatory is the largest ultrahigh-energy cosmic ray observatory in the world. The huge amount of high quality data collected since 2004 up to now led to great improvements in our knowledge of the ultra-energetic cosmic rays. The suppression of the cosmic-ray flux at highest energies was clearly established, and the extra-galactic origin of these particles was confirmed. On the other hand, measurements of the depth of shower maximum indicate a puzzling trend in the mass composition of cosmic rays at energy around the ankle up to the highest energy. The just started upgrade of the Observatory, dubbed AugerPrime, will improve the identification of the mass of primaries allowing us to disentangle models of origin and propagation of cosmic rays.
© The Authors, published by EDP Sciences 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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