Deviations from Lorentz Invariance for Ultrahigh-Energy Fermions

Details Deviations from Lorentz Invariance for Ultrahigh-Energy Fermions Deviations from Lorentz Invariance for Ultrahigh-Energy Fermions

1999-02-02

arxiv.org/abs/hep-ph/9902228v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages. Proceedings of CPT-98 Meeting on CPT and Lorentz Symmetry, edited by V.A. Kostelecky (World Scientific, Singapore, 19

Scientific paper

In a new theory, local Lorentz invariance is a low-energy symmetry which no longer holds when a fermion energy E is well above 1 TeV. Here we find that the modified E(p) relation is consistent with observation, and is in fact nearly the same as in Einstein relativity. On the other hand, there is a strong modification of the fermion equation of motion and propagator at ultrahigh energy, which should lead to observable effects.

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