Testing Lorentz Invariance with Neutrinos

TL;DR

This paper explores experimental and observational methods using neutrinos and astrophysics to test the fundamental symmetry of Lorentz invariance, which may be violated in some quantum gravity models.

Contribution

It proposes new tests for Lorentz invariance violations specifically involving neutrino physics and astrophysical observations.

Findings

Potential constraints on Lorentz invariance violation parameters

Identification of neutrino-based observational signatures

Guidelines for future experimental tests

Abstract

The search for a theory that unifies general relativity and quantum theory has focused attention on models of physics at the Planck scale. One possible consequence of models such as string theory may be that Lorentz invariance is not an exact symmetry of nature. We discuss here some possible experimental and observational tests of Lorentz invariance involving neutrino physics and astrophysics.