Charge Constraints of Macroscopic Dark Matter

Abstract

Macroscopic dark matter (macros) refers to a broad class of alternative candidates to particle dark matter with still unprobed regions of parameter space. Prior work on macros has considered elastic scattering to be the dominant energy transfer mechanism in deriving constraints on the abundance of macros for some range of masses $M_x$ and (geometric) cross-sections ${\sigma }_x$ However, macros with a significant amount of electric charge would, through Coulomb interactions, interact strongly enough to have produced observable signals on terrestrial, galactic and cosmological scales. We determine the expected signals and constrain the corresponding regions of parameter space, based on the lack of these signals in observations.

arXiv comment14 pages, 8 figures

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Cited by in corpus (7)

• Uncertainties in the Galactic dark matter distribution: an update
• Pushing the frontier of WIMPy inelastic dark matter: journey to the end of the periodic table
• Antimatter as Macroscopic Dark Matter
• Straight Lightning as a Signature of Macroscopic Dark Matter
• Updated cosmological constraints on Macroscopic Dark Matter
• Microscopic composite systems bound by strong gravity in extra dimensions as candidates for dark matter
• Models of ultra-heavy dark matter visible to macroscopic mechanical sensing arrays