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    Comprehensive analysis of anomalous ANITA events disfavors a diffuse tau-neutrino flux origin

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    Romero-Wolf_2019.pdf (1.132Mb)
    Issue Date
    2019-03-18
    Author
    Romero-Wolf, A.
    Besson, David Zeke
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    © 2019 American Physical Society.
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    Abstract
    Recently, the ANITA collaboration reported on two upward-going extensive air shower events consistent with a primary particle that emerges from the surface of the Antarctic ice sheet. These events may be of ντ origin, in which the neutrino interacts within the Earth to produce a τ lepton that emerges from the Earth, decays in the atmosphere, and initiates an extensive air shower. In this paper we estimate an upper bound on the ANITA acceptance to a diffuse ντ flux detected via τ-lepton-induced air showers within the bounds of standard model uncertainties. By comparing this estimate with the acceptance of Pierre Auger Observatory and IceCube and assuming standard model interactions, we conclude that a ντ origin of these events would imply a neutrino flux at least two orders of magnitude above current bounds.
    URI
    http://hdl.handle.net/1808/31465
    DOI
    https://doi.org/10.1103/PhysRevD.99.063011
    Collections
    • Physics & Astronomy Scholarly Works [1713]
    Citation
    A. Romero-Wolf et al., "Comprehensive analysis of anomalous ANITA events disfavors a diffuse tau-neutrino flux origin", Phys. Rev. D 99, 063011, DOI: 10.1103/PhysRevD.99.063011

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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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