Highlight: Highlights from the GRAPES-3 experiment

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    • uploaded July 17, 2021

    Discussion timeslot (ZOOM-Meeting): 16. July 2021 - 17:00
    ZOOM-Meeting URL: https://desy.zoom.us/j/92846730262
    ZOOM-Meeting ID: 92846730262
    ZOOM-Meeting Passcode: ICRC2021
    Corresponding Session: https://icrc2021-venue.desy.de/channel/Plenary-Highlight-06/101
    Live-Stream URL: https://icrc2021-venue.desy.de/livestream/Plenary-01/1

    Abstract:
    'The GRAPES-3 experiment located in Ooty, India is designed to observe cosmic rays and gamma rays in the TeV-PeV energy range from a near-equatorial location through a dense array of scintillator detectors and a large area muon telescope. Here, we will discuss the recent measurements on the cosmic ray energy spectrum and mass composition, (1) between 10 and 100 TeV while providing a comparison with the direct measurements, and (2) in the knee region between 100 TeV and 10 PeV by comparing with other ground based measurements. Results on diffuse and point source gamma ray studies above 30 TeV performed by leveraging an excellent angular resolution achieved recently and by using the muon content measurements in each shower will be discussed. A large number of atmospheric events recorded by the muon telescope associated with thunderstorm electric field acceleration, an azimuthal asymmetry observed in the direction of these events and understanding of this asymmetry through muon charge ratio will be discussed. The status of the upgrade of the experiment with the installation of another muon telescope of similar area and advanced new electronics to enhance its physics potential will be presented.'

    Authors: Pravata Mohanty
    Co-Authors: On behalf of the GRAPES-3 collaboration
    Collaboration: GRAPES-3

    Indico-ID: 1457
    Proceeding URL: https://pos.sissa.it/395/003

    Tags:
    Presenter:

    Pravata Mohanty


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