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Volume 358 - 36th International Cosmic Ray Conference (ICRC2019) - NU - Neutrino
Fundamental Physics with High-Energy Astrophysical Neutrinos Today and in the Future
M. Bustamante,* C. Arguelles, A. Kheirandish, S. Palomares-Ruiz, J. Salvado, A. Vincent
*corresponding author
Full text: pdf
Pre-published on: 2019 July 22
Published on:
Abstract
The astrophysical neutrinos discovered by IceCube have the highest detected neutrino energies --- from TeV to PeV --- and likely travel the longest distances --- up to a few Gpc, the size of the observable Universe. These features make them naturally attractive probes of fundamental particle-physics properties, possibly tiny in size, at energy scales unreachable by any other means. The decades before the IceCube discovery saw many proposals of particle-physics studies in this direction. Today, those proposals have become a reality, in spite of astrophysical unknowns. We will showcase examples of doing fundamental neutrino physics at these scales, including some of the most stringent tests of physics beyond the Standard Model. In the future, larger neutrino energies --- up to tens of EeV --- could be observed with larger detectors and further our reach.
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