Internal Structure of Ultra-High Energy Particles with Lorentz Symmetry Violation at the Planck Scale

Details Internal Structure of Ultra-High Energy Particles with Lorentz Symmetry Violation at the Planck Scale Internal Structure of Ultra-High Energy Particles with Lorentz Symmetry Violation at the Planck Scale

2004-07-29

arxiv.org/abs/hep-th/0407254v1

ICRC 2003 Proceedings (July 2003), Session HE 1.4

Physics

High Energy Physics

High Energy Physics - Theory

Contributed paper to the 28th International Cosmic Ray Conference, Tsukuba July - August 2003

Scientific paper

Assuming the existence of a local vacuum rest frame (LVRF), and using suitable algebraic tranformations, the internal structure of ultra-high energy particles (UHEPs) is studied in the presence of Lorentz symmetry violation (LSV) at the Planck scale. Violations of the standard Lorentz contraction and time dilation formulae are made explicit. Dynamics in the rest frame of a UHEP is worked out and discussed. Phenomenological implications for ultra-high energy cosmic rays (UHECR), including possible violations of the Greisen-Zatsepin-Kuzmin GZK) cutoff, are studied for several LSV models.

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