The quiet seek for darkish matter deep underground

A mile below ground, a sign hangs over the door to the LUX dark matter experiment telling visitors how far to Wall Drug—in both dimensions.

A mile beneath floor, an indication hangs over the door to the LUX darkish matter experiment telling guests how far to Wall Drug—in each dimensions. (credit score: Matthew R. Francis)

Replace, Sept. 6, 2021: It is Labor Day Weekend within the US, and despite the fact that most of us are persevering with to name dwelling “the workplace,” Ars workers is taking a protracted weekend to relaxation and loosen up. And given we will not journey like we may throughout Labor Day Weekends previous, we thought we would revisit certainly one of our favourite journeys from the archives. This story on our journey to the Massive Underground Xenon (LUX) darkish matter experiment in South Dakota initially ran in July 2014, and it seems unchanged beneath.

One of many quietest, darkest locations within the cosmos isn’t out within the depths of area. It’s on the heart of a tank of chilly liquid xenon in a gold mine deep underneath the Black Hills of South Dakota. It must be that quiet: any stray particles may confuse the detectors lining the surface of the tank. These detectors are in search of faint, uncommon indicators, ones that might reveal the presence of darkish matter.

The entire meeting—the container of liquid and gaseous xenon, the water tank enveloping that, and all of the detectors—known as the Massive Underground Xenon (LUX) darkish matter experiment. To this point, LUX hasn’t discovered something, however the days of its operation are simply starting: the detector was put in and began operations simply final 12 months.

Learn 37 remaining paragraphs | Feedback

Related Posts

Leave a Reply

Your email address will not be published.