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  1. No Access

    Article

    LHAASO-KM2A detector simulation using Geant4

    KM2A is one of the main sub-arrays of LHAASO, working on gamma ray astronomy and cosmic ray physics at energies above 10 TeV. Detector simulation is the important foundation for estimating detector performance...

    Zhen Cao, F. Aharonian, Q. An, Axikegu… in Radiation Detection Technology and Methods (2024)

  2. No Access

    Article

    Reconstruction of Cherenkov image by multiple telescopes of LHAASO-WFCTA

    One of main scientific goals of the Large High Altitude Air Shower Observatory (LHAASO) is to accurately measure the energy spectra of different cosmic ray compositions around the ‘knee’ region. The Wide Field...

    F. Aharonian, Q. An, Axikegu, L. X. Bai… in Radiation Detection Technology and Methods (2022)

  3. No Access

    Article

    A dynamic range extension system for LHAASO WCDA-1

    The main scientific goal of LHAASO-WCDA is to survey gamma-ray sources with energy from 100 GeV to 30 TeV. To observe high-energy shower events, especially to measure the energy spectrum of cosmic rays from 10...

    F. Aharonian, Q. An, Axikegu, L. X. Bai… in Radiation Detection Technology and Methods (2021)

  4. No Access

    Article

    Line-of-shower trigger method to lower energy threshold for GRB detection using LHAASO-WCDA

    Observation of high energy and very high emission from Gamma Ray Bursts (GRBs) is crucial to study the gigantic explosion and the underline processes. With a large field-of-view and almost full duty cycle, the...

    F. Aharonian, Q. An, Axikegu, L. X. Bai… in Radiation Detection Technology and Methods (2021)

  5. Article

    Open Access

    Construction and on-site performance of the LHAASO WFCTA camera

    The focal plane camera is the core component of the Wide Field-of-view Cherenkov/fluorescence Telescope Array (WFCTA) of the Large High-Altitude Air Shower Observatory (LHAASO). Because of the capability of wo...

    F. Aharonian, Q. An, Axikegu, L. X. Bai, Y. X. Bai… in The European Physical Journal C (2021)

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  6. No Access

    Article

    Ultrahigh-energy photons up to 1.4 petaelectronvolts from 12 γ-ray Galactic sources

    The extension of the cosmic-ray spectrum beyond 1 petaelectronvolt (PeV; 1015 electronvolts) indicates the existence of the so-called PeVatrons—cosmic-ray factories that accelerate particles to PeV energies. We n...

    Zhen Cao, F. A. Aharonian, Q. An, Axikegu, L. X. Bai, Y. X. Bai, Y. W. Bao… in Nature (2021)

  7. No Access

    Chapter and Conference Paper

    TeV Gamma Ray Survey on the Direction of Fermi-LAT Pulsars with the Tibet Air Shower Array

    We search for steady TeV γ-rays from 18 pulsars in the Fermi-LAT pulsar catalog using the Tibet air shower array. We observe 8 sources including the Crab against expected 0.41 sources at a significance of 2σ or m...

    M. Amenomori, X. J. Bi, D. Chen, S. W. Cui… in High-Energy Emission from Pulsars and thei… (2011)

  8. No Access

    Article

    Underground water Cherenkov muon detector array with the Tibet air shower array for gamma-ray astronomy in the 100 TeV region

    We propose to build a large water-Cherenkov-type muon-detector array (Tibet MD array) around the 37 000 m2 Tibet air shower array (Tibet AS array) already constructed at 4300 m above sea level in Tibet, China. E...

    M. Amenomori, S. Ayabe, X. J. Bi, D. Chen, S. W. Cui… in Astrophysics and Space Science (2007)

  9. No Access

    Chapter and Conference Paper

    Underground water Cherenkov muon detector array with the Tibet air shower array for gamma-ray astronomy in the 100 TeV region

    We propose to build a large water-Cherenkov-type muon-detector array (Tibet MD array) around the 37 000 m2 Tibet air shower array (Tibet AS array) already constructed at 4300 m above sea level in Tibet, China. Ea...

    M. Amenomori, S. Ayabe, X. J. Bi, D. Chen… in The Multi-Messenger Approach to High-Energ… (2007)