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Ideas and Requirements for the Global Cosmic-Ray Observatory (GCOS)
Markus Ahlers, Ingo Allekotte, Jaime Alvarez-Muniz +136
After a successful kick-off meeting in 2021. two workshops in 2022 and 2023 on the future Global Cosmic-Ray Observatory (GCOS) focused mainly on a straw man design of the detector…
Reconstruction of Events Recorded with the Surface Detector of the Pierre Auger Observatory
The Pierre Auger Collaboration, A. Aab, P. Abreu +378
Cosmic rays arriving at Earth collide with the upper parts of the atmosphere, thereby inducing extensive air showers. When secondary particles from the cascade arrive at the ground…
Exploiting the geomagnetic distortion of the inclined atmospheric showers
Pierre Billoir, Mariangela Settimo, Miguel Blanco
We propose a novel approach for the determination of the nature of ultra-high energy cosmic rays by exploiting the geomagnetic deviation of muons in nearly horizontal showers. The…
Origin of atmospheric aerosols at the Pierre Auger Observatory using studies of air mass trajectories in South America
Pierre Auger Collaboration, Gabriele Curci
The Pierre Auger Observatory is making significant contributions towards understanding the nature and origin of ultra-high energy cosmic rays. One of its main challenges is the mon…
Layered water Cherenkov detector for the study of ultra high energy cosmic rays
Antoine Letessier-Selvon, Pierre Billoir, Miguel Blanco +2
We present a new design for the water Cherenkov detectors that are in use in various cosmic ray observatories. This novel design can provide a significant improvement in the indepe…
Techniques for Measuring Aerosol Attenuation using the Central Laser Facility at the Pierre Auger Observatory
Pierre Auger Collaboration
The Pierre Auger Observatory in Malargüe, Argentina, is designed to study the properties of ultra-high energy cosmic rays with energies above 1018 eV. It is a hybrid facility that…
Trigger and Aperture of the Surface Detector Array of the Pierre Auger Observatory
J. Abraham, P. Abreu, M. Aglietta +469
The surface detector array of the Pierre Auger Observatory consists of 1600 water-Cherenkov detectors, for the study of extensive air showers (EAS) generated by ultra-high-energy c…
The Pierre Auger Observatory V: Enhancements
The Pierre Auger Collaboration, P. Abreu, M. Aglietta +493
Ongoing and planned enhancements of the Pierre Auger Observatory
Advanced functionality for radio analysis in the Offline software framework of the Pierre Auger Observatory
The Pierre Auger Collaboration, P. Abreu, M. Aglietta +468
The advent of the Auger Engineering Radio Array (AERA) necessitates the development of a powerful framework for the analysis of radio measurements of cosmic ray air showers. As AER…
The Fluorescence Detector of the Pierre Auger Observatory
The Pierre Auger Collaboration, J. Abraham, P. Abreu +515
The Pierre Auger Observatory is a hybrid detector for ultra-high energy cosmic rays. It combines a surface array to measure secondary particles at ground level together with a fluo…
A phenomenological model of the muon density profile on the ground of very inclined air showers
Hans Dembinski, Pierre Billoir, Olivier Deligny +1
Ultra-high energy cosmic rays generate extensive air showers in Earth's atmosphere. A standard approach to reconstruct the energy of an ultra-high energy cosmic rays is to sample t…