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Prospects of establishing the origin of cosmic neutrinos using source catalogs
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).
Number of Authors: 4
2017 (English)In: Physical Review D: covering particles, fields, gravitation, and cosmology, ISSN 2470-0010, E-ISSN 2470-0029, Vol. 96, no 2, 023003Article in journal (Refereed) Published
Abstract [en]

The cosmic neutrino flux recently discovered by IceCube will be instrumental in probing the highestenergy astrophysical processes. Nevertheless, the origin of these neutrinos is still unknown. While it would be more straightforward to identify a transient, or galactic source, class, finding a population of distant, continuous sources is challenging. We introduce a source-type classification technique that incorporates all available information from catalogs of source candidates. We show that IceCube-Gen2 can statistically establish the origin of cosmic neutrinos, even for the most challenging source populations-starburst galaxies, AGN, or galaxy clusters-if neutrino track directions can be reconstructed with a precision similar to 0.3 degrees. We further show that the source catalog out to similar to 100 Mpc can be sufficient for the most challenging source types, allowing formore straightforward source surveys. We also characterize the role of detector properties, namely angular resolution, size, and veto power in order to understand the effects of IceCube-Gen2's design specifics.

Place, publisher, year, edition, pages
2017. Vol. 96, no 2, 023003
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-145907DOI: 10.1103/PhysRevD.96.023003ISI: 000405511200002OAI: oai:DiVA.org:su-145907DiVA: diva2:1134682
Available from: 2017-08-21 Created: 2017-08-21 Last updated: 2017-11-29Bibliographically approved

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Ahrens, MaryonFinley, Chad
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