Homogeneously modified special relativity applications for UHECR and neutrino oscillations

One of the key open questions in fundamental physics concerns the supposed quantum structure of spacetime. New physical effects are expected as residual evidence of a more fundamental theory of nature. In this fundamental theory the underlying physical symmetries could be modified by the quantized s...

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Bibliographic Details
Published in:Journal of physics. Conference series 2021-01, Vol.1766 (1), p.12009
Main Authors: Miramonti, L., Antonelli, V., Torri, M.D.C.
Format: Article
Language:English
Subjects:
Cosmic rays
Flavor (particle physics)
Invariance
Neutrinos
Physics
Quantum gravity
Quantum phenomena
Relativity
Symmetry
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Summary:One of the key open questions in fundamental physics concerns the supposed quantum structure of spacetime. New physical effects are expected as residual evidence of a more fundamental theory of nature. In this fundamental theory the underlying physical symmetries could be modified by the quantized structure of geometry. One of the most important symmetries in our description of Physics is Lorentz Invariance (LI). Nowadays LI is at the root of our understanding of nature and underlies its physical description. Even if there is no definitive evidence to sustain departures from this symmetry, there are consistent points indicating that Lorentz Invariance Violation (LIV) can be a consequence of quantum gravity. A critical issue concerns therefore the necessity of testing this fundamental symmetry validity. Ultra High Energy Cosmic Rays (UHECR) and neutrino flavor oscillation are promising physical processes of investigation for LIV, since the high energy involved and the interaction of different particle species.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1766/1/012009