Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-02-13
Phys.Lett.B650:46-48,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
about 5 pages, expanded discussion, version to be published in PLB
Scientific paper
10.1016/j.physletb.2007.04.045
The PVLAS anomaly can be explained if there exist millicharged particles of mass $\stackrel{<}{\sim} 0.1$ eV and electric charge $\epsilon \sim 10^{-6} e$. We point out that such particles occur naturally in spontaneously broken mirror models. We argue that this interpretation of the PVLAS anomaly is not in conflict with astrophysical constraints due to the self interactions of the millicharged particles which lead them to be trapped within stars. This conclusion also holds for a generic paraphoton model.
Foot Robert
Kobakhidze Archil
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