409 citations · 1.5k across the 21 of their papers we have counts for
21 papers
The Scintillator Surface Detector of the Pierre Auger Observatory
The Pierre Auger Collaboration
Data collected so far by the Pierre Auger Observatory have enabled major advances in ultra-high energy cosmic ray physics and demonstrated that improved determination of masses of…
Science Prospects for the Southern Wide-field Gamma-ray Observatory: SWGO
SWGO Collaboration, P. Abreu, R. Alfaro +303
Ground-based gamma-ray astronomy is now well established as a key observational approach to address critical topics at the frontiers of astroparticle physics and high-energy astrop…
Scaler rates from the Pierre Auger Observatory: a new proxy of solar activity
The Pierre Auger Collaboration, I. Bizzarri, C. Dionese +1
The modulation of low-energy galactic cosmic rays reflects interplanetary magnetic field variations and can provide useful information on solar activity. An array of ground-surface…
Inference of the Mass Composition of Cosmic Rays with energies from to eV using the Pierre Auger Observatory and Deep Learning
The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +364
We present measurements of the atmospheric depth of the shower maximum , inferred for the first time on an event-by-event level using the Surface Detector of the Pi…
An update on site search activities for SWGO
M. Santander, U. Barres de Almeida, J. A. Bellido +19
The Southern Wide-field Gamma-ray Observatory (SWGO) is a project by scientists and engineers from 14 countries and 78 institutions to design and build the first wide-field, ground…
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…
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…
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…
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…
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…
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…
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…
Data Acquisition Architecture and Online Processing System for the HAWC gamma-ray observatory
HAWC collaboration, A. U. Abeysekara, R. Alfaro +105
The High Altitude Water Cherenkov observatory (HAWC) is an air shower array devised for TeV gamma-ray astronomy. HAWC is located at an altitude of 4100 m a.s.l. in Sierra Negra, Me…
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…
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…
The HAWC Gamma-Ray Observatory: Design, Calibration, and Operation
HAWC Collaboration, A. U. Abeysekara, R. Alfaro +99
The High-Altitude Water Cherenkov Gamma Ray Observatory (HAWC) is under construction 4100 meters above sea level at Sierra Negra, Mexico. We describe the design and cabling of the…
The HAWC Gamma-Ray Observatory: Dark Matter, Cosmology, and Fundamental Physics
HAWC Collaboration, A. U. Abeysekara, R. Alfaro +99
The High-Altitude Water Cherenkov Gamma Ray Observatory (HAWC) is designed to perform a synoptic survey of the TeV sky. The high energy coverage of the experiment will enable studi…
The HAWC Gamma-Ray Observatory: Observations of Cosmic Rays
HAWC Collaboration, A. U. Abeysekara, R. Alfaro +99
We describe measurements of GeV and TeV cosmic rays with the High-Altitude Water Cherenkov Gamma-Ray Observatory, or HAWC. The measurements include the observation of the shadow of…
The HAWC Gamma-Ray Observatory: Sensitivity to Steady and Transient Sources of Gamma Rays
HAWC Collaboration, A. U. Abeysekara, R. Alfaro +99
The High-Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory is designed to record air showers produced by cosmic rays and gamma rays between 100 GeV and 100 TeV. Because of its…
Anisotropy and chemical composition of ultra-high energy cosmic rays using arrival directions measured by the Pierre Auger Observatory
The Pierre Auger Collaboration, P. Abreu, M. Aglietta +490
The Pierre Auger Collaboration has reported evidence for anisotropy in the distribution of arrival directions of the cosmic rays with energies eV. Thes…
Correlation of the highest-energy cosmic rays with the positions of nearby active galactic nuclei
The Pierre Auger Collaboration
Data collected by the Pierre Auger Observatory provide evidence for anisotropy in the arrival directions of the cosmic rays with the highest energies, which are correlated with the…