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Invisible Un-removable Field: A Search by Ultra-High Energy Cosmic Rays

Humitaka Sato

astro-pharXiv:astro-ph/0311306

Abstract

A Toy model which introduces the different limiting velocities for each particleis discussed: the differentiation of the universal limiting velocity is implemented throgh the coupling with external tensor or vector field, something like Higgs scalar field. GZK cut-off discussion could be altered due to the violation of Lorentz symmetry.

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