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Joint constraints on galactic diffuse neutrino emission from the ANTARES and IceCube neutrino telescopes
ANTARES collaboration; IceCube Collaboration; Gaggero, D.; Grasso, D.; van Haren, H. (2018). Joint constraints on galactic diffuse neutrino emission from the ANTARES and IceCube neutrino telescopes. Astrophys. J. Lett. 868: L20. https://doi.org/10.3847/2041-8213/aaeecf
In: The Astrophysical Journal: Letters. IOP Publishing: London. ISSN 2041-8205, meer
Peer reviewed article  

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Author keywords
    cosmic rays; diffusion; Galaxy: disk; gamma rays: diffuse background; neutrinos

Auteurs  Top 
  • ANTARES collaboration
  • IceCube Collaboration
  • Gaggero, D.
  • Grasso, D.
  • van Haren, H., meer

Abstract
    The existence of diffuse Galactic neutrino production is expected from cosmic-ray interactions with Galactic gas and radiation fields. Thus, neutrinos are a unique messenger offering the opportunity to test the products of Galactic cosmic-ray interactions up to energies of hundreds of TeV. Here we present a search for this production using ten years of Astronomy with a Neutrino Telescope and Abyss environmental RESearch (ANTARES) track and shower data, as well as seven years of IceCube track data. The data are combined into a joint likelihood test for neutrino emission according to the KRA${}_{\gamma }$ model assuming a 5 PeV per nucleon Galactic cosmic-ray cutoff. No significant excess is found. As a consequence, the limits presented in this Letter start constraining the model parameter space for Galactic cosmic-ray production and transport.

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