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Joint Constraints on Galactic Diffuse Neutrino Emission from the ANTARES and IceCube Neutrino Telescopes
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
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Number of Authors: 4592018 (English)In: Astrophysical Journal Letters, ISSN 2041-8205, E-ISSN 2041-8213, Vol. 868, no 2, article id L20Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2018. Vol. 868, no 2, article id L20
Keywords [en]
cosmic rays, diffusion, Galaxy: disk, gamma rays: diffuse background, neutrinos
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-162816DOI: 10.3847/2041-8213/aaeecfISI: 000450844500004OAI: oai:DiVA.org:su-162816DiVA, id: diva2:1272698
Available from: 2018-12-19 Created: 2018-12-19 Last updated: 2019-03-14Bibliographically approved

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Ahrens, MaryonBohm, ChristianDeoskar, KunalDumm, Jonathan P.Finley, ChadHultqvist, KlasO'Sullivan, ErinWalck, Christian
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Department of PhysicsThe Oskar Klein Centre for Cosmo Particle Physics (OKC)
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