Mauricio Bustamante
Niels Bohr Institute, University of Copenhagen (Copenhague, Danemark)
Amphithéâtre Henri Mineur, Institut d'Astrophysique de Paris
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| « Astrophysics and Particle Physics with High-energy Cosmic Neutrinos Today and in the Future » |
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Mauricio Bustamante |
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There is vast potential in high-energy cosmic neutrinos to test particle physics and astrophysics. The cosmic neutrinos discovered by IceCube have the highest detected neutrino energies---up to a few times 10^{15} eV, about ten thousand times higher than neutrinos produced in human-made accelerators---and travel the longest distances ---up to a few Gpc, the size of the observable Universe. These features make them attractive probes of particle-physics properties, possibly tiny in size and at energy scales unreachable by other means, and of the conditions inside the most energetic non-thermal sources of the Universe. The preceding decades saw many proposals of studies in these directions. Today, these proposals have become a reality, and we are turning them into data-driven tests. I will showcase examples of testing neutrino physics at these scales, including stringent tests of physics beyond the Standard Model, and of constraining the origin and physical conditions in the presumed astrophysical neutrino sources. In the coming decade, the discovery neutrinos with energies a thousand times higher, sought for sixty years, may finally become possible, thanks to planned next-generation experiments, like GRAND and IceCube-Gen2, that are presently under intense development.
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vendredi 17 février 2023 - 11:00 Amphithéâtre Henri Mineur, Institut d'Astrophysique de Paris |
| Page web du séminaire / Seminar's webpage |