No millicharged particles were found in 124.7 fb^-1 of 13.6 TeV data; milliQan sets the strongest limits to date for masses >= 0.45 GeV and charges <= 0.24 e.
A simple explanation of the PVLAS anomaly in spontaneously broken mirror models
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abstract
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.
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Search for millicharged particles in proton-proton collisions at $\sqrt{s} = 13.6$ TeV
No millicharged particles were found in 124.7 fb^-1 of 13.6 TeV data; milliQan sets the strongest limits to date for masses >= 0.45 GeV and charges <= 0.24 e.