Physicists set strongest limit on mass of dark matter

Wednesday, November 23, 2011 - 14:30 in Astronomy & Space

Physicists have set the strongest limit for the mass of dark matter, the mysterious particles believed to make up nearly a quarter of the universe. The researchers report that dark matter must have a mass greater than 40 giga-electron volts. The distinction is important because it casts doubt on recent results from underground experiments that have reported detecting dark matter.

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