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Multi-messengers at ultra-high energies with the Pierre Auger Observatory

Journal Article · · 4open
 [1]
  1. Centre National de la Recherche Scientifique (CNRS), Grenoble (France). Inst. National de Physique Nucleaire et de Physique des Particules (IN2P3), Laboratory of Subatomic Physics & Cosmology (LPSC); Pierre Auger Collaboration. et al.
The Pierre Auger Observatory is an Ultra-High Energy Cosmic Ray (UHECR) detector which has studied cosmic particles with energies above and around 1018 eV for more than 15 years. It has proved to be the most competitive instrument at these energies and has produced a wealth of valuable results, improving our understanding of UHECRs. A complete understanding of these highest energy particles is crucial to understand the extreme astrophysical events in which they are produced and accelerated, as well as their propagation to Earth. In the same range of energies, UHE photons and neutrinos are of paramount importance as, being electrically neutral, they point back to their origin while charged particles are deflected in the galactic and extragalactic magnetic fields. The flux of extragalactic photons, neutrinos, and cosmic rays are believed to be highly linked, by their origin and their interactions. Each messenger provides different information about the potential sources, and having detection means for all four messengers, including gravitational waves, allows us to shed light on energetic sources of astroparticles. The Pierre Auger Observatory benefits from a large exposure and a good angular resolution, and is efficient in detecting UHE photons and neutrinos. These performances make possible follow-up searches for events detected by gravitational waves, such as the binary mergers observed by the LIGO/Virgo detectors, or any other energetic sources of particles.
Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-07CH11359
OSTI ID:
3005728
Report Number(s):
FERMILAB-PUB--20-0810-PPD; oai:inspirehep.net:1851206
Journal Information:
4open, Journal Name: 4open Vol. 3; ISSN 2557-0250
Publisher:
EDP SciencesCopyright Statement
Country of Publication:
United States
Language:
English

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