About
Lorentz invariance is a pillar symmetry of the Standard Model. Yet, it may be violated in proposed extensions, inducing preference for particular directions in the propagation of particles. This type of Lorentz-invariance violation (LIV) is difficult to test. Fortunately, high-energy astrophysical neutrinos, with TeV–PeV energies and cosmological-scale baselines, provide us with a unique opportunity to do so; by looking for the differences in the distribution of arrival directions of neutrinos of different flavours. Using 7.5 years of IceCube High Energy Starting Events, we model a flavour-dependent spherical harmonic expansion of the neutrino flux and ground our predictions in realistic detector simulations. Further, we forecast the near-future reach of current and upcoming neutrino telescopes to constrain and detect these flavour anisotropies. Our work reaffirms the power of high-energy astrophysical neutrinos to probe fundamental physics, and stresses the need do so while accounting for theoretical and experimental nuance..
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The talk
Credits and licence
- Institution
- CERN
- Department
- Eucapt Conferences
- Speaker
- Bernanda Telalovic
- Year
- 2023
- Language
- English
- Subjects
- Earth and environment
- Source
- CERN
- Licence
- CERN, as CERN states it. CERN's terms
- Attribution
- © CERN. CERN provides its audiovisual media free of charge for educational and informational use, credited to CERN; this lecture is shown in CERN's own player.
- Who can watch
- CERN gives no rating. Invisible Network shows it to Tweens profiles and older, judged from what the source says about it. How courses are placed