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    Constraints on Minute-Scale Transient Astrophysical Neutrino Sources

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    Aartsen_2019.pdf (423.7Kb)
    Issue Date
    2019-02-06
    Author
    Aartsen, M.G.
    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
    High-energy neutrino emission has been predicted for several short-lived astrophysical transients including gamma-ray bursts (GRBs), core-collapse supernovae with choked jets, and neutron star mergers. IceCube’s optical and x-ray follow-up program searches for such transient sources by looking for two or more muon neutrino candidates in directional coincidence and arriving within 100 s. The measured rate of neutrino alerts is consistent with the expected rate of chance coincidences of atmospheric background events and no likely electromagnetic counterparts have been identified in Swift follow-up observations. Here, we calculate generic bounds on the neutrino flux of short-lived transient sources. Assuming an E^−2.5 neutrino spectrum, we find that the neutrino flux of rare sources, like long gamma-ray bursts, is constrained to <5% of the detected astrophysical flux and the energy released in neutrinos (100 GeV to 10 PeV) by a median bright GRB-like source is <10^52.5 erg. For a harder E^−2.13 neutrino spectrum up to 30% of the flux could be produced by GRBs and the allowed median source energy is <10^52  erg. A hypothetical population of transient sources has to be more common than 10^−5   Mpc^−3 yr^−1 (5×10^−8   Mpc^−3 yr^−1 for the E^−2.13 spectrum) to account for the complete astrophysical neutrino flux.
    URI
    http://hdl.handle.net/1808/31596
    DOI
    https://doi.org/10.1103/PhysRevLett.122.051102
    Collections
    • Physics & Astronomy Scholarly Works [1713]
    Citation
    M. G. Aartsen et al., 2019, "Constraints on Minute-Scale Transient Astrophysical Neutrino Sources", Phys. Rev. Lett. 122, 051102, doi: 10.1103/PhysRevLett.122.051102.

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    KU Libraries
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    Lawrence, KS 66045
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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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