Multi-Messenger Physics With the Pierre Auger Observatory
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(Published version)
Date
2019
Authors
Kampert, K.H.
Mostafa, M.A.
Zas, E.
Aab, A.
Abreu, P.
Aglietta, M.
Albuquerque, I.F.M.
Albury, J.M.
Allekotte, I.
Almela, A.
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Journal article
Citation
Frontiers in Astronomy and Space Sciences, 2019; 6:24-1-24-19
Statement of Responsibility
The Pierre Auger Collaboration … Karl-Heinz Kampert … J.M. Albury … J.A. Bellido ... S.G. Blaess … R.W. Clay … M.J. Cooper … B.R. Dawson … J.A. Day … T.D. Grubb … T.A. Harrison … V.M. Harvey … G.C. Hill … B.C. Manning … P.H. Nguyen … S.J. Saffi … T. Sudholz … P. van Bodegom … et al.
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Abstract
An overview of the multi-messenger capabilities of the Pierre Auger Observatory is presented. The techniques and performance of searching for Ultra-High Energy neutrinos, photons and neutrons are described. Some of the most relevant results are reviewed, such as stringent upper bounds that were placed to a flux of diffuse cosmogenic neutrinos and photons, bounds placed on neutrinos emitted from compact binary mergers that were detected by LIGO and Virgo during their first and second observing runs, as well as searches for high energy photons and neutrons from the Galactic center that constrain the properties of the putative Galactic PeVatron, observed by the H.E.S.S. collaboration. The observation of directional correlations between ultra-high energy cosmic rays and either high energy astrophysical neutrinos or specific source populations, weighted by their electromagnetic radiation, are also discussed. They constitute additional multi-messenger approaches aimed at identifying the sources of high energy cosmic rays.
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© 2019 Kampert, Alejandro Mostafa, Zas and The Pierre Auger Collaboration. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.