Properties of Cosmic Aluminum Nuclei: Results from the Alpha Magnetic Spectrometer

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    • uploaded July 2, 2021

    Discussion timeslot (ZOOM-Meeting): 14. July 2021 - 18:00
    ZOOM-Meeting URL: https://desy.zoom.us/j/91896950007
    ZOOM-Meeting ID: 91896950007
    ZOOM-Meeting Passcode: ICRC2021
    Corresponding Session: https://icrc2021-venue.desy.de/channel/17-Nuclear-CR-spectra-theory-and-observations-CRD/115
    Live-Stream URL: https://icrc2021-venue.desy.de/livestream/Discussion-06/7

    Abstract:
    'We report the properties of aluminum (Al) cosmic rays in the rigidity range 2.15 GV to 3.0 TV with 0.51 million nuclei collected by the Alpha Magnetic Spectrometer experiment on the International Space Station. We observed that above 6 GV the Al flux is well described by the weighted sum of the silicon flux (primary cosmic rays) and the fluorine flux (secondary cosmic rays). The fraction of primary component increases with rigidity and becomes dominant at highest rigidities. Al/Si abundance ratio at the source is determined independent of cosmic ray propagation models.'

    Authors: Zhen Liu | cheng zhang | Mercedes Paniccia
    Collaboration: AMS

    Indico-ID: 803
    Proceeding URL: https://pos.sissa.it/395/110

    Tags:
    Categories: Cosmic Ray Direct, Scientific Contributions
    Presenter:

    Zhen Liu


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