Radiation Exposure from the Dark
Florian Niedermann, Martin S. Sloth

TL;DR
This paper investigates the potential for exotic, heavier, and more strongly interacting dark matter to cause significant radiation exposure in humans, challenging the assumption that dark matter's radiation effects are negligible.
Contribution
It introduces the possibility that certain dark matter models could produce detectable radiation doses, and proposes methods to constrain or detect such interactions through re-analysis of data and simple experiments.
Findings
Heavier, strongly interacting dark matter could deposit significant radiation energy in humans.
Existing data and experiments can be re-analyzed to constrain this dark matter parameter space.
A hypothetical inelastic dark matter candidate could expose 0.1% of Earth's population to notable radiation doses.
Abstract
We explore the possibility that exotic forms of dark matter could expose humans on Earth or on prolonged space travel to a significant radiation dose. The radiation exposure from dark matter interacting with nuclei in the human body is generally assumed to be negligible compared to other sources of background radiation. However, as we discuss here, current data allow for dark matter models where this is not necessarily true. In particular, if dark matter is heavier and more strongly interacting than weakly interacting massive particle dark matter, it could act as ionizing radiation and deposit a significant amount of radiation energy in all or part of the human population, similar to or even exceeding the known radiation exposure from other background sources. Conversely, the non-observation of such an exposure can be used to constrain this type of heavier and more strongly interacting…
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Taxonomy
TopicsSpaceflight effects on biology · Radiation Therapy and Dosimetry · Radiation Dose and Imaging
