A Search for Photons with Energies Above 2 × 1017 eV Using Hybrid Data from the Low-Energy Extensions of the Pierre Auger Observatory

Stijn Buitink; Tim Huege; Olaf Scholten

doi:10.3847/1538-4357/ac7393

A Search for Photons with Energies Above 2 × 1017 eV Using Hybrid Data from the Low-Energy Extensions of the Pierre Auger Observatory

Stijn Buitink, Tim Huege, Olaf Scholten

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9 Citations (Scopus)

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Abstract

Ultra-high-energy photons with energies exceeding 1017 eV offer a wealth of connections to different aspects of cosmic-ray astrophysics as well as to gamma-ray and neutrino astronomy. The recent observations of photons with energies in the 1015 eV range further motivate searches for even higher-energy photons. In this paper, we present a search for photons with energies exceeding 2 × 1017 eV using about 5.5 yr of hybrid data from the low-energy extensions of the Pierre Auger Observatory. The upper limits on the integral photon flux derived here are the most stringent ones to date in the energy region between 1017 and 1018 eV.

Original language	English
Article number	125
Number of pages	11
Journal	ApJ
Volume	933
Issue number	2
DOIs	https://doi.org/10.3847/1538-4357/ac7393
Publication status	Published - 22 Aug 2022

Bibliographical note

Funding Information:
The successful installation, commissioning, and operation of the Pierre Auger Observatory would not have been possible without the strong commitment and effort from the technical and administrative staff in Malargüe. We are very grateful to the following agencies and organizations for financial support:

Publisher Copyright:
© 2022. The Author(s). Published by the American Astronomical Society.

Copyright:
Copyright 2022 Elsevier B.V., All rights reserved.

Keywords

astro-ph.HE

Access to Document

10.3847/1538-4357/ac7393Licence: CC BY

2205.14864v1Submitted manuscript, 644 KB
Abreu_2022_ApJ_933_125Final published version, 1.19 MBLicence: CC BY

Link to publication in Scopus

SRP72: SRP-Onderzoekszwaartepunt: High-energy physics (HEP@VUB).
D'Hondt, J., Buitink, S., Craps, B., De Vries, K., Lowette, S. & Mariotti, A.
1/11/22 → 31/10/27
Project: Fundamental
FWOAL991: Future of Hyperdense Radio Arrays for Cosmic Ray Detection
Buitink, S. & Huege, T.
1/01/21 → 31/12/24
Project: Fundamental
FWOAL944: The impact of non-linear wave propagation on the observation of cosmic neutrinos
Buitink, S., De Vries, K. & Huege, T.
1/01/20 → 31/12/23
Project: Fundamental

Cite this

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A Search for Photons with Energies Above 2 × 1017 eV Using Hybrid Data from the Low-Energy Extensions of the Pierre Auger Observatory

Abstract

Bibliographical note

Keywords

Access to Document

Projects

SRP72: SRP-Onderzoekszwaartepunt: High-energy physics (HEP@VUB).

FWOAL991: Future of Hyperdense Radio Arrays for Cosmic Ray Detection

FWOAL944: The impact of non-linear wave propagation on the observation of cosmic neutrinos

Cite this