Published in Physics World, 18 Dec 2009
For weeks physicists have been speculating whether the CDMS-II collaboration based in the US has detected the first direct evidence for dark matter, one of the universe’s most mysterious entities. Now the evidence is out in the open – although it’s not quite a strong as some had hoped.
In a preprint submitted to the arXiv server yesterday, the CDMS-II team claim to have detected two “events” that are characteristic of dark-matter constituents known as weakly interacting massive particles, or WIMPs. However, they point out that there is a one-in-four chance that these events could be background noise. […]
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