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First dark matter experiment results to be announced

LEAD (AP) — Scientists are announcing the first results of an experiment that is searching for dark matter in a lab nearly a mile underground at the former Homestake gold mine in South Dakota's Black Hills.

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Physicists working in the Large Underground Xenon project, called LUX, planned to announce their initial results Wednesday at a seminar in Lead. The LUX experiment seeks to detect dark matter in a hall 4,850 feet underground in the Sanford Underground Research Facility.

Dark matter is thought to be a predominant form of matter in the universe that reveals itself through its gravitational effect.

The research facility says a leading candidate for dark matter is called the weakly interacting massive particle, or WIMP. The LUX experiment is searching for WIMPs.