activity
20132025
most citedObservation of a Large-scale Anisotropy in the Arrival Directions of Cosmic Rays above eV

409 citations · 1.5k across the 24 of their papers we have counts for

collaborators

24 papers

astro-ph.SR2025

Scaler data from the Pierre Auger Observatory as a proxy of solar activity

C. Taricco, I. Bizzarri, C. Dionese +1

Solar activity variations strongly impact the modulation of the flux of low-energy Galactic Cosmic Rays (GCRs) reaching the Earth. The secondary particles, which originate from the…

astro-ph.HE2025

Search for UHE neutrinos from GRBs with the Pierre Auger Observatory

Yago Lema-Capeans

We report on the search for ultra-high-energy neutrinos from the prompt emission of gamma-ray bursts (GRBs) using Surface Detector (SD) data from Phase I of the Pierre Auger Observ…

astro-ph.IM2025

AugerPrime: Status and first results

David Schmidt

With the knowledge and statistical precision derived from two decades of measurement, the Pierre Auger Observatory has significantly deepened our understanding of ultra-high-energy…

astro-ph.HE2025

New full-sky studies of the distribution of ultra-high-energy cosmic-ray arrival directions

A. Gálvez Ureña, L. Anchordoqui, M. Bianciotto +17

Ground-based full-sky studies of the angular distribution of arrival directions of ultra-high-energy cosmic rays require combining data from different observatories, such as the Pi…

astro-ph.HE2025

Study of solar activity with AERA at the Pierre Auger Observatory

R. M. de Almeida

Solar activity events release vast amounts of energy, including radio waves, X-rays, ultraviolet radiation, and energetic particles, which interact with the ionosphere of the Earth…

astro-ph.HE2025

Measuring the muon content of inclined air showers using AERA and the water-Cherenkov detectors of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +360

We present a novel approach for assessing the muon content of air showers with large zenith angles on a combined analysis of their radio emission and particle footprint. We use the…

astro-ph.IM2024★ 1 cited

Towards a Cosmic-Ray Energy Scale with the Auger Engineering Radio Array

Max Büsken

Radio detection of cosmic-ray (CR) induced extensive air showers with digital antenna arrays is a matured technique by now. At the Pierre Auger Observatory, the Auger Engineering R…

astro-ph.HE2023★ 6 cited

Search for UHE Photons from Gravitational Wave Sources with the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +368

A search for time-directional coincidences of ultra-high-energy (UHE) photons above 10 EeV with gravitational wave (GW) events from the LIGO/Virgo runs O1 to O3 is conducted with t…

astro-ph.IM2023

The commissioning phase

F. Bortoletto, S. Benetti, G. Bonanno +34

In May 1997 a consistent part of the services and structures committed to the industry had already been released to the commissioning group. The telescope itself was, with the exce…

astro-ph.IM2021★ 4 cited

The FRAM robotic telescope for atmospheric monitoring at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +377

FRAM (F/Photometric Robotic Atmospheric Monitor) is a robotic telescope operated at the Pierre Auger Observatory in Argentina for the purposes of atmospheric monitoring using stell…

astro-ph.IM2020★ 8 cited

Calibration of the underground muon detector of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +370

To obtain direct measurements of the muon content of extensive air showers with energy above eV, the Pierre Auger Observatory is currently being equipped with an underg…

astro-ph.IM2020★ 21 cited

Design, upgrade and characterization of the silicon photomultiplier front-end for the AMIGA detector at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +357

AMIGA (Auger Muons and Infill for the Ground Array) is an upgrade of the Pierre Auger Observatory to complement the study of ultra-high-energy cosmic rays (UHECR) by measuring the…

astro-ph.HE2020★ 12 cited

Search for magnetically-induced signatures in the arrival directions of ultra-high-energy cosmic rays measured at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +372

We search for signals of magnetically-induced effects in the arrival directions of ultra-high-energy cosmic rays detected at the Pierre Auger Observatory. We apply two different me…

astro-ph.HE2020★ 74 cited

Cosmic-ray anisotropies in right ascension measured by the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +373

We present measurements of the large-scale cosmic-ray anisotropies in right ascension, using data collected by the surface detector array of the Pierre Auger Observatory over more…

astro-ph.HE2019★ 108 cited

Probing the origin of ultra-high-energy cosmic rays with neutrinos in the EeV energy range using the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +389

Neutrinos with energies above eV are detectable with the Surface Detector Array of the Pierre Auger Observatory. The identification is efficiently performed for neutrinos…

astro-ph.HE2018★ 25 cited

Measurement of the average shape of longitudinal profiles of cosmic-ray air showers at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +385

The profile of the longitudinal development of showers produced by ultra-high energy cosmic rays carries information related to the interaction properties of the primary particles…

astro-ph.HE2018★ 133 cited

Large-scale cosmic-ray anisotropies above 4 EeV measured by the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +374

We present a detailed study of the large-scale anisotropies of cosmic rays with energies above 4 EeV measured using the Pierre Auger Observatory. For the energy bins [4,8] EeV and…

astro-ph.HE2017★ 409 cited

Observation of a Large-scale Anisotropy in the Arrival Directions of Cosmic Rays above eV

The Pierre Auger Collaboration, A. Aab, P. Abreu +404

Cosmic rays are atomic nuclei arriving from outer space that reach the highest energies observed in nature. Clues to their origin come from studying the distribution of their arriv…

hep-ex2016★ 236 cited

Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +435

Ultrahigh energy cosmic ray air showers probe particle physics at energies beyond the reach of accelerators. Here we introduce a new method to test hadronic interaction models with…

astro-ph.HE2016★ 140 cited

Measurement of the Radiation Energy in the Radio Signal of Extensive Air Showers as a Universal Estimator of Cosmic-Ray Energy

The Pierre Auger Collaboration, Alexander Aab, Pedro Abreu +447

We measure the energy emitted by extensive air showers in the form of radio emission in the frequency range from 30 to 80 MHz. Exploiting the accurate energy scale of the Pierre Au…

astro-ph.HE2015★ 24 cited

Pierre Auger Observatory and Telescope Array: Joint Contributions to the 34th International Cosmic Ray Conference (ICRC 2015)

Telescope Array Collaboration, R. U. Abbasi, M. Abe +573

Joint contributions of the Pierre Auger Collaboration and the Telescope Array Collaboration to the 34th International Cosmic Ray Conference, 30 July - 6 August 2015, The Hague, The…

astro-ph.HE2015

Study of the chemical composition of high energy cosmic rays using the muon LDF of EAS between eV and eV

A. Tapia, D. Melo, F. Sánchez +8

We explore the feasibility of estimating primary cosmic ray composition at high energies from the study of two parameters of Extensive Air Showers (EAS) at ground and underground l…

astro-ph.HE2014★ 309 cited

Depth of Maximum of Air-Shower Profiles at the Pierre Auger Observatory: Composition Implications

Pierre Auger Collaboration

Using the data taken at the Pierre Auger Observatory between December 2004 and December 2012, we have examined the implications of the distributions of depths of atmospheric shower…

astro-ph.HE2013

Pierre Auger Observatory and Telescope Array: Joint Contributions to the 33rd International Cosmic Ray Conference (ICRC 2013)

The Telescope Array, Pierre Auger Collaborations, : +619

Joint contributions of the Pierre Auger and Telescope Array Collaborations to the 33rd International Cosmic Ray Conference, Rio de Janeiro, Brazil, July 2013: cross-calibration of…