We analyze the phenomenological consequences of a Lorentz violating energy-momentum dispersion relation in order to give a simple explanation for the baryon asymmetry in the Universe. By assuming very few hypotheses, we propose a straightforward mechanism for generating the observed matter-antimatter asymmetry which entails a Lorentz-breakdown energy scale of the order of the Greisen-Zatsepin-Kuzmin cut-off.

Baryon asymmetry in the Universe resulting from Lorentz violation

DI GREZIA, Elisabetta;SALESI, Giovanni
2006-01-01

Abstract

We analyze the phenomenological consequences of a Lorentz violating energy-momentum dispersion relation in order to give a simple explanation for the baryon asymmetry in the Universe. By assuming very few hypotheses, we propose a straightforward mechanism for generating the observed matter-antimatter asymmetry which entails a Lorentz-breakdown energy scale of the order of the Greisen-Zatsepin-Kuzmin cut-off.
journal article - articolo
2006
DI GREZIA, Elisabetta; Esposito, Salvatore; Salesi, Giovanni
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10446/20041
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