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Cosmic ray studies at the upgraded Pierre Auger Observatory

2020/39/B/ST9/01398

Keywords

Descriptors

  • ST9_011: Astrofizyka wysokich energii: promieniowanie rentgenowskie, gamma, kosmiczne; neutrina

Panel

ST9 – Astronomy and space science: astrophysics, astrochemistry, astrobiology, solar system, planetary systems, stellar, galactic and extragalactic astronomy, space science, instrumentation

Host institution

Instytut Fizyki Jądrowej im. Henryka Niewodniczańskiego PAN

Voivodeship: małopolskie

Other projects carried out by the institution »

Principal investigator (from the host institution)

dr hab. Dariusz Maciej Góra

Number of co-investigators in the project: 5

Call

OPUS 20 – announced on 2020-09-15

Amount awarded
669 550 PLN
Project start date
2021-06-15
Project end date
2025-06-14
Project duration
48 months (the same as in the proposal)
Project status
Project settled

Project description

Download the project description in a pdf file

Note — project descriptions were prepared by the authors of the applications themselves and placed in the system in an unchanged form.

Information in the final report

Publication in academic press/journals (34)

  1. The Distribution of Ultrahigh-energy Cosmic Rays along the Supergalactic Plane Measured at the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    The Astrophysical Journal (year: 2025, volume: 984, pages: 123), Publisher: IOPScience
    Status:
    Published
    DOI:
    10.3847/1538-4357/adbdc5 – link to the publication

  2. Large-scale Cosmic-ray Anisotropies with 19 yr of Data from the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    The Astrophysical Journal (year: 2024, volume: 976, pages: 48), Publisher: IOPScience
    Status:
    Published
    DOI:
    10.3847/1538-4357/ad843b – link to the publication

  3. Arrival Directions of Cosmic Rays above 32 EeV from Phase One of the Pierre Auger Observatory

    Authors:
    The Astrophysical Journal
    Academic press:
    The Astrophysical Journal (year: 2022, volume: 935, pages: 170), Publisher: IOPScience
    Status:
    Published
    DOI:
    10.3847/1538-4357/ac7d4e – link to the publication

  4. Searches for Ultra-High-Energy Photons at the Pierre Auger Observatory

    Authors:
    P. Abreu et al. (The Pierre Auger Collaboration)
    Academic press:
    Universe (year: 2022, volume: 8, pages: 579), Publisher: MDPI
    Status:
    Published
    DOI:
    10.3390/universe8110579 – link to the publication

  5. Testing effects of Lorentz invariance violation in the propagation of astroparticles with the Pierre Auger Observatory

    Authors:
    P. Abreu et al. (The Pierre Auger Collaboration)
    Academic press:
    Journal of Cosmology and Astroparticle Physics (year: 2022, volume: 1, pages: 23), Publisher: IOP Publishing
    Status:
    Published
    DOI:
    10.1088/1475-7516/2022/01/023 – link to the publication

  6. Demonstrating Agreement between Radio and Fluorescence Measurements of the Depth of Maximum of Extensive Air Showers at the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Physical Review Letters (year: 2024, volume: 132, pages: 21001), Publisher: APS Physics Press Office
    Status:
    Published
    DOI:
    10.1103/PhysRevLett.132.021001 – link to the publication

  7. 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

    Authors:
    A. Abdul Halim et al. (The Pierre Auger Collaboration)
    Academic press:
    Journal of Cosmology and Astroparticle Physics (year: 2023, volume: 5, pages: 24), Publisher: IOP Publishing
    Status:
    Published
    DOI:
    10.1088/1475-7516/2023/05/024 – link to the publication

  8. Search for Ultra-high-energy Photons from Gravitational Wave Sources with the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    The Astrophysical Journal (year: 2023, volume: 952, pages: 91), Publisher: IOP
    Status:
    Published
    DOI:
    10.3847/1538-4357/acc862 – link to the publication

  9. Catching profound optical flares in blazars

    Authors:
    Gopal Bhatta et al.
    Academic press:
    Monthly Notices of the Royal Astronomical Society (year: 2023, volume: 520, pages: 2633), Publisher: Oxford University Press
    Status:
    Published
    DOI:
    10.1093/mnras/stad280 – link to the publication

  10. Calculation of rescaling factors and nuclear multiplication of muons in extensive air showers

    Authors:
    Kevin Almeida Cheminant et al.
    Academic press:
    Physica Scripta (year: 2023, volume: 98, pages: 45301), Publisher: IOP Publishing
    Status:
    Published
    DOI:
    10.1088/1402-4896/acbca9 – link to the publication

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

    Authors:
    P. Abreu et al. (The Pierre Auger Collaboration)
    Academic press:
    The Astrophysical Journal (year: 2022, volume: 933, pages: 125), Publisher: IOP Publishing
    Status:
    Published
    DOI:
    10.3847/1538-4357/ac7393 – link to the publication

  12. Search for Spatial Correlations of Neutrinos with Ultra-high-energy Cosmic Rays

    Authors:
    A. Albert et al. (The ANTARES, IceCube and Pierre Auger Collaborations)
    Academic press:
    The Astrophysical Journal (year: 2022, volume: 934, pages: 164), Publisher: IOP Publishing
    Status:
    Published
    DOI:
    10.3847/1538-4357/ac6def – link to the publication

  13. 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

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Journal of Cosmology and Astroparticle Physics (year: 2023, volume: 5, pages: 24), Publisher: IOP Publishing
    Status:
    Published
    DOI:
    10.1088/1475-7516/2023/05/024 – link to the publication

  14. 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

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Journal of Cosmology and Astroparticle Physics (year: 2024, volume: 1, pages: 22), Publisher: IOP Publishing
    Status:
    Published
    DOI:
    10.1088/1475-7516/2024/01/022 – link to the publication

  15. AugerPrime surface detector electronics

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Journal of Instrumentation (year: 2023, volume: 18, pages: 10016), Publisher: IOP Publishing
    Status:
    Published
    DOI:
    10.1088/1748-0221/18/10/P10016 – link to the publication

  16. Constraining X-Ray Variability of the Blazar 3C 273 Using XMM-Newton Observations over Two Decades

    Authors:
    Adithiya Dinesh, Gopal Bhatta , Tek P. Adhikari , Maksym Mohorian, Niraj Dhital, Suvas C. Chaudhary, Radim Pánis, and Dariusz Góra
    Academic press:
    The Astrophysical Journal (year: 2023, volume: 955, pages: 121), Publisher: IOP Publishing
    Status:
    Published
    DOI:
    10.3847/1538-4357/acf316 – link to the publication

  17. Search for photons above 1019 eV with the surface detector of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Journal of Cosmology and Astroparticle Physics (year: 2023, volume: 5, pages: 21), Publisher: IOP Publishing
    Status:
    Published
    DOI:
    10.1088/1475-7516/2023/05/021 – link to the publication

  18. A Catalog of the Highest-energy Cosmic Rays Recorded during Phase I of Operation of the Pierre Auger Observator

    Authors:
    A. Abdul Halim et al. (The Pierre Auger Collaboration)
    Academic press:
    The Astrophysical Journal Supplement Series (year: 2023, volume: 264, pages: 50), Publisher: IOP Publishing
    Status:
    Published
    DOI:
    10.3847/1538-4365/aca537 – link to the publication

  19. Cosmic ray ensembles as signatures of ultra-high energy photons interacting with the solar magnetic field

    Authors:
    N. Dhital et al.
    Academic press:
    Journal of Cosmology and Astroparticle Physics (year: 2022, volume: 3, pages: 38), Publisher: IOP Publishing
    Status:
    Published
    DOI:
    10.1088/1475-7516/2022/03/038 – link to the publication

  20. Limits to Gauge Coupling in the Dark Sector Set by the Nonobservation of Instanton-Induced Decay of Super-Heavy Dark Matter in the Pierre Auger Observatory Data

    Authors:
    P. Abreu et al. (Pierre Auger Collaboration)
    Academic press:
    Physical Review Letters (year: 2023, volume: 130, pages: 61001), Publisher: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevLett.130.061001 – link to the publication

  21. Cosmological implications of photon-flux upper limits at ultrahigh energies in scenarios of Planckian-interacting massive particles for dark matter

    Authors:
    P. Abreu et al. (The Pierre Auger Collaboration)
    Academic press:
    Physical Review D (year: 2023, volume: 107, pages: 42002), Publisher: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevD.107.042002 – link to the publication

  22. Measurement of the depth of maximum of air-shower profiles with energies between 1018.5 and 1020 eV using the surface detector of the Pierre Auger Observatory and deep learning

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Physical Review D (year: 2025, volume: 111, pages: 22003), Publisher: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevD.111.022003 – link to the publication

  23. Scaler Rates from the Pierre Auger Observatory: A New Proxy of Solar Activity

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    The Astrophysical Journal (year: 2025, volume: 987, pages: 41), Publisher: IOPScience
    Status:
    Published
    DOI:
    10.3847/1538-4357/adccc3 – link to the publication

  24. Search for a diffuse flux of photons with energies above tens of PeV at the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Journal of Cosmology and Astroparticle Physics (year: 2025, volume: 5, pages: 61), Publisher: IOPScience
    Status:
    Published
    DOI:
    10.1088/1475-7516/2025/05/061 – link to the publication

  25. Search for photons above 1018 eV by simultaneously measuring the atmospheric depth and the muon content of air showers at the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Physical Review D (year: 2024, volume: 110, pages: 62005), Publisher: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevD.110.062005 – link to the publication

  26. Testing hadronic-model predictions of depth of maximum of air-shower profiles and ground-particle signals using hybrid data of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Physical Review D (year: 2024, volume: 109, pages: 102001), Publisher: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevD.109.102001 – link to the publication

  27. Ground observations of a space laser for the assessment of its in-orbit performance

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Optica (year: 2024, volume: 11, pages: 263), Publisher: Optica Publishing Group
    Status:
    Published
    DOI:
    10.1364/OPTICA.507619 – link to the publication

  28. Inference of the Mass Composition of Cosmic Rays with Energies from 1018.5 to 1020 eV Using the Pierre Auger Observatory and Deep Learning,

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Physical Review Letters (year: 2025, volume: 134, pages: 21001), Publisher: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevLett.134.021001 – link to the publication

  29. Constraints on metastable superheavy dark matter coupled to sterile neutrinos with the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Physical Review D (year: 2024, volume: 109, pages: L081101), Publisher: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevD.109.L081101 – link to the publication

  30. Impact of the magnetic horizon on the interpretation of the Pierre Auger Observatory spectrum and composition data

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Journal of Cosmology and Astroparticle Physics (year: 2024, volume: 7, pages: 94), Publisher: IOPScience
    Status:
    Published
    DOI:
    10.1088/1475-7516/2024/07/094 – link to the publication

  31. Search for the Anomalous Events Detected by ANITA Using the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Physical Review Letters (year: 2025, volume: 134, pages: 121003), Publisher: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevLett.134.121003 – link to the publication

  32. The Pierre Auger Observatory open data

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    The European Physical Journal C (year: 2025, volume: 85, pages: 70), Publisher: SpringerNature
    Status:
    Published
    DOI:
    10.1140/epjc/s10052-024-13560-5 – link to the publication

  33. The Scintillator Surface Detector of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Journal of Instrumentation (year: 2025, volume: 20, pages: P08002), Publisher: IOPScience
    Status:
    Published
    DOI:
    10.1088/1748-0221/20/08/P08002 – link to the publication

  34. Radio measurements of the depth of air-shower maximum at the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Academic press:
    Physica Review D (year: 2024, volume: 109, pages: 22002), Publisher: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevD.109.022002 – link to the publication

Articles in post-conference publications (54)

  1. Measurements of Cloud Base Height and Coverage using Elastic Multiangle Lidar Scans at the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 374), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0374 – link to the publication

  2. Search for evidence of neutron fluxes using Pierre Auger Observatory data

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 246), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0246 – link to the publication

  3. Long-term calibration and stability of the Auger Engineering Radio Array using the diffuse Galactic radio emission

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 279), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0279 – link to the publication

  4. Improved method of searching for flares of neutral particles from point sources

    Authors:
    J. Sasielak, N. Borodai, D. Gora, M. Niechciol and J. Pękala
    Conference:
    Proceedings of Science 484 (year: 2025, volume: Volume 484 - 7th International Symposium on Ultra High Energy Cosmic Rays (UHECR2024) -, pages: 107), Publisher: Sissa Medialab srl
    Date:
    conference 17-21 November 2024
    Status:
    Published
    DOI:
    10.22323/1.484.0063 – link to the publication

  5. The Top–Down Reconstruction Algorithm and its Application to Deep Extensive Air Showers

    Authors:
    M. Mogarkar
    Conference:
    31st Cracow Epiphany Conference on the Recent LHC Results (year: 2025, volume: 31st Cracow Epiphany Conference on the Recent LHC Results, Kraków, Poland, 13–17 January, 2025., pages: A24), Publisher: Jagiellonian University, Kraków, Poland
    Date:
    conference 13–17 January, 2025
    Status:
    Published
    DOI:
    10.5506/APhysPolBSupp.18.5-A24 – link to the publication

  6. Update on the Offline Framework for AugerPrime and production of reference simulation libraries using the VO Auger grid resources Pierre Auger Collaboration

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 248), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0248 – link to the publication

  7. Reconstruction of muon number of air showers with the surface detector of the Pierre Auger Observatory using neural networks

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 318), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0318 – link to the publication

  8. Latest results from the searches for ultra-high-energy photons and neutrinos at the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 1488), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.1488 – link to the publication

  9. Status of the AugerPrime upgrade of the Pierre Auger Observatory

    Authors:
    Nataliia Borodai
    Conference:
    Journal of Physics: Conference Series: International Conference on Technology and Instrumentation in Particle Physics 23/05/2021 - 28/05/2021 Online tom 2374 (year: 2023, volume: International Conference on Technology and Instrumentation in Particle Physics, pages: 12043), Publisher: IOP Publishing
    Date:
    conference 23/05/2021 - 28/05/2021
    Status:
    Published
    DOI:
    10.1088/1742-6596/2374/1/012043 – link to the publication

  10. Status and expected performance of the AugerPrime Radio Detector

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 344), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0344 – link to the publication

  11. Muon measurements at the Pierre Auger Observatory

    Authors:
    D. Gora
    Conference:
    SciPost Physics Proceedings: 51st International Symposium on Multiparticle Dynamics (202208001) (year: 2023, volume: 51st International Symposium on Multiparticle Dynamics (ISMD2022), pages: 20), Publisher: SciPost Foundation
    Date:
    conference 1-5 August 2022
    Status:
    Published
    DOI:
    10.21468/SciPostPhysProc.15.020 – link to the publication

  12. Status and Performance of the Underground Muon Detector of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 267), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0267 – link to the publication

  13. Investigations of a Novel Energy Estimator using Deep Learning for the Surface Detector of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 275), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0275 – link to the publication

  14. AugerPrime implementation in the DAQ systems of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 373), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0373 – link to the publication

  15. Gamma/hadron discriminant variables in application to high-energy cosmic-ray air showers

    Authors:
    Nataliia Borodai
    Conference:
    Proceedings of Science 501 (year: 2025, volume: 39th International Cosmic Ray Conference (ICRC 2025), pages: 199), Publisher: Sissa Medialab srl
    Date:
    conference 14-24 lipiec 2025
    Status:
    Published
    DOI:
    10.22323/1.501.0199 – link to the publication

  16. Advanced techniques of searching for flares of ultra-high-energy photons from point sources

    Authors:
    Jaroslaw Stasielak, Chaitanya Priyadarshi, Dariusz Góra, Nataliia Borodai, Marcus Niechciol, Jan Pękala
    Conference:
    Proceedings of Science 501 (year: 2025, volume: 39th International Cosmic Ray Conference (ICRC 2025), pages: 400), Publisher: Sissa Medialab srl
    Date:
    conference 14–24 Jul 2025
    Status:
    Published
    DOI:
    10.22323/1.501.0400 – link to the publication

  17. The Fitting Procedure for Longitudinal Shower Profiles Observed with the Fluorescence Detector of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 211), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0211 – link to the publication

  18. The number of muons measured in hybrid events detected by the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 339), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0339 – link to the publication

  19. Constraints on BSM particles from the absence of upward-going air showers in the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 1095), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.1095 – link to the publication

  20. A Top-Down Approach to the Muon Puzzle: Validation of the method using the new EPOS LHC-R and QGSJET-III hadronic interaction models

    Authors:
    K. Almeida Cheminant, N. Borodai, R. Engel, D. Gora, T. Pierog, J. Pękala, M. Roth, M. Unger, D. Veberic and H. Wilczyński
    Conference:
    Proceedings of Science 501 (year: 2025, volume: 39th International Cosmic Ray Conference (ICRC 2025), pages: 173), Publisher: Sissa Medialab srl
    Date:
    conference 14-24 lipiec 2025
    Status:
    Published
    DOI:
    10.22323/1.501.0173 – link to the publication

  21. The muon deficit problem: a new method to calculate the muon rescaling factors and the Heitler-Matthews beta exponent

    Authors:
    Kevin Almeida Cheminant et al.
    Conference:
    Proceedings of Science 423 (year: 2023, volume: 27th European Cosmic Ray Symposium - ECRS, pages: 70), Publisher: Sissa Medialab Srl
    Date:
    conference 5-29 July 2022
    Status:
    Published
    DOI:
    10.22323/1.423.0070 – link to the publication

  22. Auger@TA: An Auger-like surface detector micro-array embedded within the Telescope Array Project

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 368), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0368 – link to the publication

  23. Depth of Maximum of Air-Shower Profiles above 1017.8eV Measured with the Fluorescence Detector of the Pierre Auger Observatory and Mass Composition Implications

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 319), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0319 – link to the publication

  24. Mass Composition from 3 EeV to 100 EeV using the Depth of the Maximum of Air-Shower Profiles Estimated with Deep Learning using Surface Detector Data of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 278), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0278 – link to the publication

  25. Constraining models for the origin of ultra-high-energy cosmic rays with spectrum, composition, and arrival direction data measured at the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 258), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0258 – link to the publication

  26. The Time Evolution of the Surface Detector of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 266), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0266 – link to the publication

  27. Investigating multiple elves and halos above strong lightning with the fluorescence detectors of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 372), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0372 – link to the publication

  28. The dynamic range of the upgraded surface-detector stations of AugerPrime

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 343), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0343 – link to the publication

  29. Depth of maximum of air-shower profiles: testing the compatibility of the measurements at the Pierre Auger Observatory and the Telescope Array

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 249), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0249 – link to the publication

  30. Study of downward Terrestrial Gamma-ray Flashes with the surface detector of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 439), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0439 – link to the publication

  31. Highlights from the Pierre Auger Observatory Pierre Auger Collaboration

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 16), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0016 – link to the publication

  32. Method for calculation of the beta exponent from the Heitler-Matthews model of hadronic air showers

    Authors:
    Kevin Almeida Cheminant , Dariusz Góra, Nataliia Borodai, Ralph Engel, Tanguy Pierog, Jan Pekala, Markus Roth, Jarosław Stasielak, Michael Unger, Darko Veberič and Henryk Wilczyński
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 243), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0243 – link to the publication

  33. Measuring the muon content of inclined air showers using AERA and the water-Cherenkov detector array of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 345), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0345 – link to the publication

  34. The second knee in the cosmic ray spectrum observed with the surface detector of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 398), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0398 – link to the publication

  35. Update on the searches for anisotropies in UHECR arrival directions with the Pierre Auger Observatory and the Telescope Array

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 521), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0521 – link to the publication

  36. The performances of the upgraded surface detector stations of AugerPrime

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 392), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0392 – link to the publication

  37. Combined fit to the spectrum and composition data measured by the Pierre Auger Observatory including magnetic horizon effects

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 288), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0288 – link to the publication

  38. A Novel Tool for the Absolute End-to-End Calibration of Fluorescence Telescopes -- The XY-Scanner

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 305), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0305 – link to the publication

  39. Monitoring the inter-calibration of the HEAT and Coihueco fluorescence telescopes of the Pierre Auger Observatory with measurements of the brightness of the night sky

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 276), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0276 – link to the publication

  40. Measurement of UHECR energy spectrum with the Pierre Auger Observatory and the Telescope Array

    Authors:
    Douglas R. Bergman et al.
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023),Nagoya. Japan, pages: 406), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0406 – link to the publication

  41. Studies of the mass composition of cosmic rays and proton-proton interaction cross-sections at ultra-high energies with the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 438), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0438 – link to the publication

  42. IInvestigating the UHECR characteristics from cosmogenic neutrino limits with the measurements of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 1520), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.1520 – link to the publication

  43. Radio Interferometry applied to air showers recorded by the Auger Engineering Radio Array

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 380), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0380 – link to the publication

  44. A new cross-check and review of aerosol attenuation measurements at the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 300), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0300 – link to the publication

  45. Deep-Learning-Based Cosmic-Ray Mass Reconstruction Using the Water-Cherenkov and Scintillation Detectors of AugerPrime

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 371), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0371 – link to the publication

  46. Constraints on upward-going air showers using the Pierre Auger Observatory data

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 1099), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.1099 – link to the publication

  47. Search for primary photons at tens of PeV with the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 238), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0238 – link to the publication

  48. Profound optical flares from the relativistic jets of active galactic nuclei

    Authors:
    Gopal Bhatta, Staszek Zola, M. Drozdz, Daniel Reichart, Joshua Haislip, Vladimir Kouprianov, Katsura Matsumoto, Eda Sonbas, D. Caton, Urszula Pajdosz-Śmierciak, A. Simon, J. Provencal, Dariusz Góra and Grzegorz Stachowski
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 966), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0966 – link to the publication

  49. International Masterclasses as part of the Pierre Auger Observatory program of Outreach and Education

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 1611), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.1611 – link to the publication

  50. Portals to data of the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 1616), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.1616 – link to the publication

  51. Rescaling of the muon content of simulated air showers in the context of the Muon Puzzle

    Authors:
    Kevin Almeida Cheminant, Nataliia Borodai, Ralph Engel, Dariusz Góra, Tanguy Pierog, Jan Pekala, Markus Roth, Michael Unger, Darko Veberič and Henryk Wilczyński
    Conference:
    Proceedings of Science 484 (year: 2025, volume: the 7th International Symposium on Ultra-High-Energy Cosmic Rays (UHECR 2024), pages: 63), Publisher: Sissa Medialab srl
    Date:
    conference 17-21. November, 2024
    Status:
    Published
    DOI:
    10.22323/1.484.0063 – link to the publication

  52. Simulations of Cosmic Ray Ensembles originated nearby the Sun

    Authors:
    David Alvarez-Castillo et al.
    Conference:
    Proceedings of Science 395 (year: 2022, volume: 37th International Cosmic Ray Conference (ICRC2021), pages: 457), Publisher: Sissa Medialab Srl
    Date:
    conference 2-23 July 2021
    Status:
    Published
    DOI:
    10.22323/1.395.0457 – link to the publication

  53. An update on the arrival direction studies made with data from the Pierre Auger Observatory

    Authors:
    A. Abdul Halim et al (Pierre Auger Collaboration)
    Conference:
    Proceedings of Science 444 (year: 2023, volume: 38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japonia, pages: 252), Publisher: Sissa Medialab Srl
    Date:
    conference 26 lipiec- 3 sierpień, 2023
    Status:
    Published
    DOI:
    10.22323/1.444.0252 – link to the publication

  54. Muon number rescaling in simulations of air showers

    Authors:
    D. Gora et al.
    Conference:
    Proceedings of Science 395 (year: 2022, volume: 37th International Cosmic Ray Conference (ICRC2021), pages: 207), Publisher: Sissa Medialab Srl
    Date:
    conference 2-23 July 2021
    Status:
    Published
    DOI:
    10.22323/1.395.0207 – link to the publication

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Graphic design and implementation: Jakub Piotrowski