(Space) The incredibly sensitive LUX dark-matter detector, buried under a mile of rock, has come up empty on its 20-month search for dark matter — further narrowing down the possible characteristics of the strange substance.
Researchers presented the results today (July 21) at the 11th Identification of Dark Matter Conference (IDM2016) in Sheffield, U.K., which gathers together researchers seeking to understand dark matter, the mysterious material that appears to make up more than four-fifths of the universe's mass, but which scientists have not observed directly.
"LUX has delivered the world's best search sensitivity since its first run in 2013," Rick Gaitskell, a physicist at Brown University and co-spokesman for LUX, said in a statement. "With this final result from the 2014 to 2016 search, the scientists of the LUX Collaboration have pushed the sensitivity of the instrument to a final performance level that is four times better than the original project goals."
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