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Physicists Set Strongest Limit on Mass of Dark Matter

November 23, 2011

image of dwarf galaxies Brown University 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 in Physical Review Letters 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. Full Story

Brown University

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