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Published online 8 July 2003 | Nature | doi:10.1038/news030707-2
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Dark matter may be undetectable
Super-WIMPs might hide ninety percent of the universe.
Researchers going underground to detect signs of the elusive dark matter thought to far outweigh normal matter in the Universe might be wasting their time, a team of physicists is suggesting.
Jonathan Feng and colleagues at the University of California at Irvine propose that dark matter, which is believed to constitute around 90% of all the matter in the Universe, is hiding in the form of particles called super-WIMPs that would evade all conventional dark-matter searches1.
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