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Published online 17 April 2007 |
Nature
| doi:10.1038/news070416-5
Corrected online: 19 April 2007
News
Dark matter looks to be particularly wimpy
Experiment shows weakly-interacting particles must be very weak indeed.
The tiny, wimpy particles that might make up the Universe's dark matter must be even wimpier than some theories suggest.
The first results from an experimental technology designed to detect Weakly Interacting Massive Particles (WIMPs) — predicted candidates for dark matter — help to pin down the strength of their interactions with ordinary matter in the Universe.
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