Refereed articles full collaboration

• Search for ultra-high energy neutrons from Galactic sources with the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration),  ApJ (2026) in press
• Measuring the muon content of inclined air showers using AERA and the water-Cherenkov detectors of the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration),  Phys. Rev. D (2025) in press; arXiv:2507.02558
• Long-term calibration and validation of stability of the Auger Engineering Radio Array using the diffuse Galactic radio emission
  P. Abdul Halim et al. (Pierre Auger Collaboration),  JINST 20 (2025) 12, P12017; arXiv:2512.03692
• Quasi-constant time gap in multiple rings of elves
  P. Abdul Halim et al. (Pierre Auger Collaboration),  Earth and Space Science (2025) Open Archive; arxiv:2511.05416
• The Energy Spectrum of Ultra-High Energy Cosmic Rays across Declinations -90° to +44.8° as measured at the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration), Phys. Rev. Lett. 135 (2025) 24, 241002; arxiv:2506.11688
• The Scintillator Surface Detector of the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration), JINST 20 (2025) 08, P08002; arxiv:2507.07762
• Scaler rates from the Pierre Auger Observatory: a new proxy of solar activity
  P. Abdul Halim et al. (Pierre Auger Collaboration), Astrophys.J. 987 (2025) 1, 41; arXiv:2504.11542
• Search for a diffuse flux of photons with energies above tens of PeV at the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration), JCAP 05 (2025) 061; arXiv:2502.02381
• The distribution of ultra-high-energy cosmic rays along the supergalactic plane measured at the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration), Astrophys.J. 984 (2025) 2, 123; arXiv:2407.06874
• A search for the anomalous events detected by ANITA using the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration), Phys. Rev. Lett. 134, 121003 (2025); arxiv:2502.04513
• Measurement of the Depth of Maximum of Air-Shower Profiles with energies between 10^18.5 and 10²⁰ eV using the Surface Detector of the Pierre Auger Observatory and Deep Learning
  P. Abdul Halim et al. (Pierre Auger Collaboration), Phys. Rev. D 111 (2025) 2, 022003; arXiv:2406.06319
• Inference of the Mass Composition of Cosmic Rays with energies from 10^18.5 to 10²⁰ eV using the Pierre Auger Observatory and Deep Learning
  P. Abdul Halim et al. (Pierre Auger Collaboration), Phys. Rev.Lett. 134 (2025) 2, 021001, arXiv:2406.06315
• Search for photons above 10¹⁸ eV by simultaneously measuring the atmospheric depth and the muon content of air showers at the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration), Phys. Rev. D 110 (2024) 6, 062005, arXiv:2406.07439
• Large-scale cosmic ray anisotropies with 19 years of data from the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration), Astrophys. J. 976 (2024) 1, 48; arXiv:2408.05292
• Impact of the Magnetic Horizon on the Interpretation of the Pierre Auger Observatory Spectrum and Composition Data
  P. Abdul Halim et al. (Pierre Auger Collaboration), JCAP07 (2024) 094, arXiv:2404.03533
• Testing Hadronic-Model Predictions of Depth of Maximum of Air-Shower Profiles and Ground-Particle Signals using Hybrid Data of the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration),
  Phys. Rev. D 109, 102001 (2024), arXiv:2401.10740
• Ground observations of a space laser for the assessment of its in-orbit performance
  P. Abdul Halim et al. (Pierre Auger Collaboration),
  Optica 11 (2024) 263; arXiv:2310.08616
• Constraints on metastable superheavy dark matter coupled to sterile neutrinos with the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration),
  Phys. Rev. D109 (2024) 8, L081101 ; arXiv:2311.14541
• Constraining models for the origin of ultra-high-energy cosmic rays with a novel combined analysis of arrival directions, spectrum, and composition data measured at the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration),
  JCAP01 (2024) 022, arXiv:2305.16693
• Radio Measurements of the Depth of Air-Shower Maximum at the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration),
  Phys. Rev. D 109 (2024) 022002; arXiv:2310.19966
• Demonstrating Agreement between Radio and Fluorescence Measurements of the Depth of Maximum of Extensive Air Showers at the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration),
  Phys. Rev. Lett. 132 (2024) 021001; arXiv:2310.19963
• Search for photons above 10¹⁹ eV with the surface detector of the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration),
  JCAP05 (2023) 021; arXiv:2209.05926
• AugerPrime Surface Detector Electronics
  P. Abdul Halim et al. (Pierre Auger Collaboration),
  JINST 18 (2023) P10016; arXiv:2309.06235
• Search for UHE Photons from Gravitational Wave Sources with the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration),
  ApJ 952 (2023) 91; arXiv:2307.10839
• Constraining the sources of ultra-high-energy cosmic rays across and above the ankle with the spectrum and composition data measured at the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration),
  JCAP 05 (2023) 024, arXiv:2211.02857
• A Catalog of the Highest-Energy Cosmic Rays Recorded During Phase I of Operation of the Pierre Auger Observatory
  P. Abdul Halim et al. (Pierre Auger Collaboration),
  ApJS 264 (2023) 50, arXiv:2211.16020
• Cosmological implications of photon-flux upper limits at ultra-high energies in scenarios of Planckian-interacting massive particles for dark matter
  P. Abreu et al. (Pierre Auger Collaboration),
  Phys. Rev. D 107 (2023) 042002; arXiv:2208.02353
• Limits to gauge coupling in the dark sector set by the non-observation of instanton-induced decay of Super-Heavy Dark Matter in the Pierre Auger Observatory data
  P. Abreu et al. (Pierre Auger Collaboration),
  Phys. Rev. Lett. 130 (2023) 061001; arXiv:2203.08854
• Searches for Ultra-High-Energy Photons at the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration),
  Universe 8 (2022) 579; arXiv:2210.12959
• Search for Spatial Correlations of Neutrinos with Ultra-High-EnergyCosmic Rays
  A. Albert et al. (ANTARES, IceCube, and Pierre Auger Collaborations),
  ApJ 934:164 (2022); arXiv:2201.07313
• A search for photons with energies above 2x10¹⁷ eV using hybrid data from the low-energy extensions of the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration),
  ApJ 933:125 (2022); arXiv:2205.14864
• Testing effects of Lorentz invariance violation in the propagation of astroparticles with the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration),
  JCAP 01 (2022) 01, 023; arXiv:2111.06773
• The energy spectrum of cosmic rays beyond the turn-down around 10^17 eV as measured with the surface detector of the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration),
  E. Phys. J. (2021) 81:966, arXiv:2109.13400
• The FRAM robotic telescope for atmospheric monitoring at the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  JINST 16 (2021) 06, P06027, arXiv:2101.11602
• Design and implementation of the AMIGA embedded system for data acquisition
  A. Aab et al. (Pierre Auger Collaboration)
  JINST 16 P07019 (2021), arXiv:2101.11747
   
• Deep-learning based reconstruction of the shower maximum Xmax using the water-Cherenkov detectors of the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration),
  JINST 16 (2021) 07 P07019, arXiv:2101.02946
   
• Extraction of the muon signals recorded with the surface detector of the Pierre Auger Observatory using recurrent neural networks
  A. Aab et al. (Pierre Auger Collaboration)
  JINST 16 (2021) 07 P07016, arXiv:2103.11983
   
• Measurement of the fluctuations in the number of muons in extensive air showers with the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. Lett. 126 (2021) 152002, arXiv:2102.07797
   
• Calibration of the underground muon detector of the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  JINST 16 (2021) 04 P07003; arXiv:2012.08016
   
• Design, upgrade and characterization of the silicon photomultiplier front-end for the AMIGA detector at the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  JINST 16 (2021) 01 P07026; arXiv:2011.06633
   
• A Search for Ultra-high-energy Neutrinos from TXS 0506+056 Using the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  ApJ 902, 105 (2020); arXiv:2010.10953
• Features of the energy spectrum of cosmic rays above 2.5 10^18 eV using the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. Lett. 125, 121106 (2020); arXiv:2008.06488
  Viewpoint: The Anatomy of Ultrahigh Energy Comic rays by Soebur Razzaque
   
• A measurement of the cosmic-ray energy spectrum above 2.5 10^18 eV using the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. D 102, 062005 (2020); arXiv:2008.06486
  Viewpoint: The Anatomy of Ultrahigh Energy Comic rays by Soebur Razzaque
   
• Reconstruction of events recorded with the surface detector of the Pierre Auger Observatory 
  A. Aab et al. (Pierre Auger Collaboration)
  JINST 15 (2020) P10021; arXiv:2007.09035
   
• Studies on the response of a water-Cherenkov detector of the Pierre Auger Observatory to atmospheric muons using an RPC hodoscope 
  A. Aab et al. (Pierre Auger Collaboration)
  JINST 15 (2020) P09002; arXiv:2007.04139
   
• Search for magnetically-induced signatures in the arrival directions of ultra-high-energy cosmic rays measured at the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  JCAP (2020) in press; arXiv:2004.10591
   
• Cosmic-ray anisotropies in right ascension measured by the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  ApJ 891 (2020) 142 ; arXiv:2002.06172
   
• A 3-Year Sample of Almost 1,600 Elves Recorded Above South America by the Pierre Auger Cosmic-Ray Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  Earth and Space Sciences 7 (2020) 1
   
• Limits on point-like sources of ultra-high-energy neutrinos with the Pierre Auger Observatory 
  A. Aab et al. (Pierre Auger Collaboration)
  JCAP 11 (2019) 004 ; arXiv:1906.07419
   
• Data-driven estimation of the invisible energy of cosmic ray showers with the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. D100 (2019) 082003 ; arXiv:1901.08040
   
• Probing the origin of ultra-high-energy cosmic rays with neutrinos in the EeV energy range using the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  JCAP 10 (2019) 022; arXiv:1906.07422
   
• Measurement of the average shape of longitudinal profiles of cosmic-ray air showers at the Pierre Auger Observatory 
  A. Aab et al. (Pierre Auger Collaboration)
  JCAP 03 (2019) 018 ; arXiv:1811.0466
   
• Multi-Messenger Physics With the Pierre Auger Observatory
  Karl-Heinz Kampert, Miguel Alejandro Mostafa, Enrique Zas, and The Pierre Auger Collaboration
  Frontiers in Astronomy and Space Sciences, 6:24 (2019) ; arXiv:1904.11918
   
• Large-scale cosmic-ray anisotropies above 4 EeV measured by the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration),
  The Astrophys. J. 868 (2018) ; arXiv:1808.03579
   
• Observation of inclined EeV air showers with the radio detector of the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration),
  JCAP 10 (2018) 026, arXiv:1806.05386
   
• Indication of anisotropy in arrival directions of ultra-high-energy cosmic rays through comparison to the flux pattern of extragalactic gamma-ray sources
  A. Aab et al. (Pierre Auger Collaboration),
  The Astrophys. J. Lett. 853 (2018) L29; arXiv:1801.06160
   
• Inferences on Mass Composition and Tests of Hadronic Interactions from 0.3 to 100 EeV using the water-Cherenkov Detectors of the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration),
  Phys. Rev. D96 (2017) 122003; arXiv:1710.07249
   
• Search for High-energy Neutrinos from Binary Neutron Star Merger GW170817 with ANTARES, IceCube, and the Pierre Auger Observatory
  A. Albert at al. (LIGO. IceCube, ANTARES, and Pierre Auger Collaboration)
  The Astrophys. J. Lett. 850 (2017) L35
   
• Multi-messenger Observations of a Binary Neutron Star Merger
  B.P. Abbot et al., (LIGO Collaboration, Pierre Auger Collaboration, et al.),
  The Astrophys. J. Lett. 848 (2017) L12
   
• Spectral Calibration of the Fluorescence Telescopes of the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration),
  Astropart. Phys. 45 (2017) 44
   
• Calibration of the Logarithmic-Periodic Dipole Antenna (LPDA) Radio Stations at the Pierre Auger Observatory using an Octocopter
  A. Aab et al. (Pierre Auger Collaboration),
  JINST 12 (2017) T10005, arXiv:1702.01392
   
• Observation of a Large-scale Anisotropy in the Arrival Directions of Cosmic Rays above 8x10*18 eV
  A. Aab et al. (Pierre Auger Collaboration),
  Science 357 (2017) 1266; arXiv:1709.07321
   
• Multi-resolution anisotropy studies of ultrahigh-energy cosmic rays detected at the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration),
  JCAP 06 (2017) 026, arXiv:1611.06812
   
• Combined fit of spectrum and composition data as measured by the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration),
  JCAP 04 (2017) 038; arXiv:1612.07155
   
• Search for photons with energies above 10*18 eV using the hybrid detector of the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration),
  JCAP 04 (2017) 009; arXiv:1612.01517
   
• A targeted search for point sources of EeV photons with the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration),
  ApJL 837:L25 (2017); arXiv:1612.04155
   
• Muon Counting using Silicon Photomultipliers in the AMIGA detector of the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration),
  JINST 12 (2017) P03002; arXiv:1703.06193
   
• Impact of atmospheric effects on the energy reconstruction of air showers observed by the surface detectors of the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration), JINST 12 (2017) P02006; arXiv:1702.02835
   
• Ultrahigh-energy neutrino follow-up of Gravitational Wave events GW150914 and GW151226 with the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration),
  Phys. Rev. D94 (2016) 122007; arXiv:1608.07378
   
• Evidence for a mixed mass composition at the `ankle' in the cosmic-ray spectrum
  A. Aab et al. (Pierre Auger Collaboration),
  Phys. Lett. B762 (2016) 288–295; arXiv:1609.08567
   
• Search for Ultra-relativistic Magnetic Monopoles with the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. D94, 082002 (2016); arXiv:1609.04451; Editors suggestion
   
• Testing hadronic interactions at ultrahigh energies with air showers measured by the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. Lett. 117, 192001 (2016);arXiv:1610.08509; Editors suggestion
   
• Measurement of the Muon Production Depths at the Pierre Auger Observatory
  L. Collica et al. (Pierre Auger Collaboration)
  Eur. Phys. J. Plus (2016) 131:301
   
• Energy Estimation of Cosmic Rays with the Engineering Radio Array of the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. D93, 122005 (2016); arXiv:1508.04267
   
• Measurement of the radiation energy in the radio signal of extensive air showers as a universal estimator of cosmic-ray energy
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. Lett. 116 (2016) 241101; arXiv:1605.02564
   
• Azimuthal asymmetry in the risetime of the surface detector signals of the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. D93, 072006 (2016); arXiv:1604.00978
   
• The Pierre Auger Observatory Upgrade - Preliminary Design Report
  A. Aab et al. (Pierre Auger Collaboration)
  arXiv:1604.03637
   
• Prototype muon detectors for the AMIGA component of the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  JINST 11 (2016) P02012; arXiv:1605.01625
   
• Search for correlations between the arrival directions of IceCube neutrino events and ultrahigh-energy cosmic rays detected by the Pierre Auger Observatory and the Telescope Array
  M.G. Aarsten et al. (IceCube, Pierre Auger, and Telescope Array Collaborations)
  JCAP 01 (2016) 037; arXiv:1511.09408
   
• Nanosecond-level time synchronization of autonomous radio detector stations for extensive air showers
  A. Aab et al. (Pierre Auger Collaboration)
  JINST 11 (2016) P0108; arXiv:1512.02216
   
• An improved limit to the diffuse flux of ultra-high energy neutrinos from the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. D91, 092008 (2015), Editors Suggestion; arXiv:1504.05397
   
• Measurement of the cosmic ray spectrum above 4x10*18 eV using inclined events detected with the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  JCAP 08 (2015) 049; arXiv:1503.07786
   
• The Pierre Auger Cosmic Ray Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  Nucl. Instr. Meth. A798 (2015) 172; arXiv:1502.01323
   
• Search for patterns by combining cosmic-ray energy and arrival directions at the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  Eur. Phys. J. C (2015) 75:269; arXiv:1410.0515
   
• Searches for Anisotropies in the Arrival Directions of the Highest Energy Cosmic Rays Detected by the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  ApJ 804:15(2015); arXiv:1411.6111
• Large scale distribution of ultra high energy cosmic rays detected at the Pierre Auger Observatory with zenith angles up to 80 degree
  A. Aab et al. (Pierre Auger Collaboration)
  ApJ 802:111 (2015); arXiv:1411.6953
• Muons in air showers at the Pierre Auger Observatory: Mean number in highly inclined events
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. D91 032003 (2015), Editors Suggestion; arXiv:1408.1421
• Depth of Maximum of Air-Shower Profiles at the Pierre Auger Observatory II: Composition Implications
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. D90, 122006 (2014); arXiv:1409.5083
• Depth of Maximum of Air-Shower Profiles at the Pierre Auger Observatory I: Measurements at Energies above 10**17.8 eV
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. D90, 122005 (2014); arXiv:1409.4809
• Muons in air showers at the Pierre Auger Observatory: Measurement of atmospheric production depth
  A. Aab et al. (Pierre Auger Collaboration)
  Phys. Rev. D90 (2014) 012012; arXiv:1407.5919
• Searches for Large-Scale Anisotropy in the Arrival Directions of Cosmic Rays Detected above Energy of 10**19 eV at the Pierre Auger Observatory and the Telescope Array
  A. Aab et al. (Pierre Auger and TA Collaborations)
  Astrohys. J 794 (2014) 172; arXiv:1409.3128
• Reconstruction of inclined air showers detected with the Pierre Auger Observatory
  A. Aab et al. (Pierre Auger Collaboration)
  JCAP 2014/08 (2014) 019; arXiv:1407.3214
• Origin of atmospheric aerosols at the Pierre Auger Observatory using studies of air mass trajectories in South America
  A. Aab et al. (Pierre Auger Collaboration)
  Atmospheric Research Journal 149 (2014) 120; arXiv:1405.7551
• A search for point sources of EeV photons
  A. Aab et al. (Pierre Auger Collaboration)
  ApJ 789, 160 (2014) ; arXiv:1406.2912
• A Targeted Search for Point Sources of EeV Neutrons
  A. Aab et al. (Pierre Auger Collaboration)
  ApJ Letters 789, L34 (2014) ; arXiv:1406.4038
• Probing the radio emission from air showers with polarization measurements
  P. Abreu et al. (Pierre Auger Collaboration)
  Phys. Rev. D 89, 052002 (2014); arXiv:1402.3677
• Identifying Clouds over the Pierre Auger Observatory using Infrared Satellite Data
  P. Abreu et al. (Pierre Auger Collaboration)
  Astropart. Phys. 50-52 (2013) 92-101; arXiv:1310.1641
• Bounds on the density of sources of ultra-high energy cosmic rays from the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  JCAP 05 (2013) 009; arXiv:1305.1576
• Techniques for Measuring Aerosol Attenuation using the Central Laser Facility at the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  JINST 8, P04009 (2013); arXiv:1303.5576
• Interpretation of the Depths of Maximum of Extensive Air Showers Measured by the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  J. Cosmology and Astroparticle Physics 2, 26 (2013); arXiv:1301.6637
• Ultrahigh energy neutrinos in the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  Advances in High Energy Physics 2013, 1-18 (2013)
• Constraints on the origin of cosmic rays above 10**18 eV from large scale anisotropy searches in data of the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  ApJ 762, L13 (2012); arXiv:1212.3083
• Results of a self-triggered prototype system for radio-detection of extensive air showers at the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  JINST 7, P11023 (2012); arXiv:1211.0572
• Large scale distribution of arrival directions of cosmic rays detected above 10**18 eV at the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  Astrophys. J. Suppl. 203 (2012) 34; arXiv:1210.3736
• Antennas for the Detection of Radio Emission Pulses from Cosmic-Ray induced Air Showers at the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  JINST 7, P10011 (2012); arXiv:1209.3849
• A Search for Point Sources of EeV Neutrons
  P. Abreu et al. (Pierre Auger Collaboration)
  ApJ 760 (2012) 148; arXiv:1211.4901
• A search for anisotropy of UHECRs detected at the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  JCAP 04 (2012) 040; arXiv:1210.3602
• The Rapid Atmospheric Monitoring System of the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  JINST 7 (2012) P09001; arXiv:1208.1675
• Measurement of the proton-air cross-section at sqrt(s) = 57 TeV with the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  Phys. Rev. Lett. 109, 062002 (2012); arXiv:1208.1520
• Measurement of the cosmic ray energy spectrum using hybrid events of the Pierre Auger Observatory
  M. Settimo and Pierre Auger Collaboration
  EPJ Plus (2012) 127; 87
• Search for point-like sources of ultra-high energy neutrinos at the Pierre Auger Observatory and improved limit on the diffuse flux of tau neutrinos
  P. Abreu et al. (Pierre Auger Collaboration)
  APJ-Letters 755:L4 (2012)
• Description of Atmospheric Conditions at the Pierre Auger Observatory using the Global Data Assimilation System (GDAS)
  P. Abreu et al. (Pierre Auger Collaboration)
  Astropart. Phys. 35 (2012) 591-607; arXiv:1201.2276
• Search for signatures of magnetically-induced alignment in the arrival directions measured by the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  Astropart. Phys. 35 (2012) 354
• Search for ultrahigh energy neutrinos in highly inclined events at the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  Phys. Rev. D84 122005 (2011)
• The effect of the geomagnetic field on cosmic ray energy estimates and large scale anisotropy searches on data from the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  JCAP 11 (2011) 022
• The Lateral Trigger Probability function for the Ultra-High Energy Cosmic Rays Showers detected by the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  Astropart. Phys. 35 (2011) 266
• Anisotropy and chemical composition of ultra-high energy cosmic rays using arrival directions measured by the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  JCAP 06 (2011) 022; arXiv:1106.3048
• Advanced functionality for radio analysis in the Offline software framework of the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  Nucl. Instr. Meth. A635 (2011) 92-102; arXiv:1101.4473
• Search for First Harmonic Modulation in the Right Ascension Distribution of Cosmic Rays Detected at the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  Astropart. Phys. 34 (2011) 627-639
• The Pierre Auger Observatory Scaler Mode for the Study of Solar Activity Modulation of Galactic Cosmic Rays
  P. Abreu et al. (Pierre Auger Collaboration)
  JINST 6 (2011) P01003
• The exposure of the hybrid detector of the Pierre Auger Observatory
  P. Abreu et al. (Pierre Auger Collaboration)
  Astropart. Phys. 34 (2010) 368-381
• Update on the correlation of the highest energy cosmic rays with nearby extragalactic matter
  P. Abreu et al. (Pierre Auger Collaboration)
  Astropart. Phys. 34 (2010) 314-326; arXiv:1009.1855
• The Fluorescence Detector of the Pierre Auger Observatory
  J. Abraham et al. (Pierre Auger Collaboration)
  Nucl. Instr. Meth. A620 (2010) 227-251; arXiv:0907.4282
• Measurement of the Depth of Maximum of Extensive Air Showers above 10**18 eV
  J. Abraham et al., (Pierre Auger Collaboration)
  Phys. Rev. Lett. 104, 091101 (2010); arXiv:1002.0699
• Measurement of the energy spectrum of cosmic rays above 10**18 eV using the Pierre Auger Observatory
  J. Abraham et al., (Pierre Auger Collaboration)
  Phys. Lett. B685 (2010) 239-246; arXiv:1002.1975
• A Study of the Effect of Molecular and Aerosol Conditions in the Atmosphere on Air Fluorescence Measurements at the Pierre Auger Observatory
  J. Abraham et al., (Pierre Auger Collaboration)
  Astropart. Phys. 33 (2010) 108-129
• Trigger and aperture of the surface detector array of the Pierre Auger Observatory
  J. Abraham et al., (Pierre Auger Collaboration)
  Nuc. Instr. Meth. A613 (2010) 29-39
• Atmospheric effects on extensive air showers observed with the surface detector of the Pierre Auger observatory
  J. Abraham et al. (Pierre Auger Collaboration)
  Astropart. Phys. 32 (2009) 89
• Upper limit on the cosmic-ray photon fraction at EeV energies from the Pierre Auger Observatory
  J. Abraham et al. (Pierre Auger Collaboration)
  Astropart. Phys. 31 (2009) 399-406; arXiv:0903.1127
• Limit on the diffuse flux of ultra-high energy tau neutrinos with the surface detector of the Pierre Auger Observatory
  J. Abraham et al. (Pierre Auger Collaboration)
  Phys. Rev. D79 102001 (2009)
• Observation of the suppression of the flux of cosmic rays above 4 x 10**19 eV (Listed among Top-Ten Results of Physics in 2008)
  J. Abraham et al. (Pierre Auger Collaboration)
  Phys. Rev. Lett. 101, 061101 (2008); arXiv:0806.4302
• 
  J. Abraham et al. (Pierre Auger Collaboration)
  Phys. Rev. Lett. 100, 211101 (2008); arXiv:0712.1909
• Upper limit of the cosmic-ray photon flux above 10**19 eV using the surface detector of the Pierre Auger Observatory
  J. Abraham et al. (Pierre Auger Collaboration),
  Astropart. Phys. 29 (2008) 243-256; arXiv:0712.1147
• Correlation of the highest-energy cosmic rays with the positions of nearby active galactic nuclei
  J. Abraham et al. (Pierre Auger Collaboration),
  Astropart. Phys. 29 (2008) 188-204; arXiv:0712.2843
• Correlation of the highest energy cosmic rays with nearby extragalactic objects (Listed by Science as third among all scientific breakthroughs of the year)
  J. Abraham et al. (Pierre Auger Collaboration)
  Science 318 (2007) 938-943;arXiv:0711.2256
• Anisotropy studies around the galactic centre at EeV energies with the Auger Observatory
  J. Abraham et al. (Pierre Auger Collaboration),
  Astropart. Phys. 27 (2007) 244-253; astro-ph/0607382
• An upper limit to the photon fraction in cosmic rays above 10**19 eV from the Pierre Auger Observatory
  J. Abraham et al. (Pierre Auger Collaboration),
  Astropart. Phys. 27 (2007) 155-168; astro-ph/0606619
• Properties and performance of the prototype instrument for the Pierre Auger Observatory
  J. Abraham et al. (Pierre Auger Collaboration),
  Nucl. Instr. Meth. A523 (2004) 50-95