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    Cosmic ray spectrum and composition from PeV to EeV using 3 years of data from IceTop and IceCube

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    Aartsen_2019.pdf (3.294Mb)
    Issue Date
    2019-10-23
    Author
    Aartsen, M. G.
    Besson, David Zeke
    IceCube Collaboration
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    © 2019 American Physical Society.
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    Abstract
    We report on measurements of the all-particle cosmic ray energy spectrum and composition in the PeV to EeV energy range using 3 years of data from the IceCube Neutrino Observatory. The IceTop detector measures cosmic ray induced air showers on the surface of the ice, from which the energy spectrum of cosmic rays is determined by making additional assumptions about the mass composition. A separate measurement is performed when IceTop data are analyzed in coincidence with the high-energy muon energy loss information from the deep in-ice IceCube detector. In this measurement, both the spectrum and the mass composition of the primary cosmic rays are simultaneously reconstructed using a neural network trained on observables from both detectors. The performance and relative advantages of these two distinct analyses are discussed, including the systematic uncertainties and the dependence on the hadronic interaction models, and both all-particle spectra as well as individual spectra for elemental groups are presented.
    URI
    http://hdl.handle.net/1808/31464
    DOI
    https://doi.org/10.1103/PhysRevD.100.082002
    Collections
    • Physics & Astronomy Scholarly Works [1713]
    Citation
    M. G. Aartsen et al. (IceCube Collaboration), "Cosmic ray spectrum and composition from PeV to EeV using 3 years of data from IceTop and IceCube", Phys. Rev. D 100, 082002, DOI: 10.1103/PhysRevD.100.082002

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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