There is a growing sense of ‘crisis’ in the dark-matter particle community, which arises from the absence of evidence for the most popular candidates for dark-matter particles—such as weakly interacting massive particles, axions and sterile neutrinos—despite the enormous effort that has gone into searching for these particles. Here we discuss what we have learned about the nature of dark matter from past experiments and the implications for planned dark-matter searches in the next decade. We argue that diversifying the experimental effort and incorporating astronomical surveys and gravitational-wave observations is our best hope of making progress on the dark-matter problem.
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We thank V. Cardoso, D. Gaggero, D. Harvey, D. Hooper, B. Kavanagh, S. Vegetti and M. Viel for comments on the initial version of this manuscript. The work of T.M.P.T. is supported in part by NSF grant PHY-1316792.
Nature thanks M. Kamionkowski and R. Massey for their contribution to the peer review of this work.
The authors declare no competing interests.
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Bertone, G., Tait, T.M.P. A new era in the search for dark matter. Nature 562, 51–56 (2018). https://doi.org/10.1038/s41586-018-0542-z
- Dark Matter
- Weakly Interacting Massive Particles (WIMPs)
- Separator For Heavy Ion Reaction Products (SHIP)
- Primordial Black Holes
- Large Synoptic Survey Telescope (LSST)
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