Answers are grounded in this paper and cite their sources.
Mirror matter-type dark matter is one dark matter candidate which is particularly well motivated from high energy physics. The theoretical motivation and experimental evidence are pedagogically reviewed, with emphasis on the implications of recent orthopositronium experiments, the DAMA/NaI dark matter search, anomalous meteorite events etc.
No takes yet. Share an insight, caveat, or question.
R. Foot (2004) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: