It’s chilly here: Lowest temperature at Fermilab reached in equipment for dark matter experiment

Categories: Cosmic Frontier
Published on: February 19, 2020
Fermilab scientist Matt Hollister works on the world’s largest dry dilution fridge, which will be used for the SuperCDMS experiment at SNOLAB. Image: Reidar Hahn, Fermilab

After riding in a cage with nickel miners, walking down drifts and stopping at the dry, SuperCDMS scientists enter their shotcrete igloo of discovery deep underground.

Translating this out of mining lingo: After taking an elevator down a two-kilometer mineshaft with nickel miners, Fermilab scientists walk through nearly two more kilometers of tunnels and then shower and change before entering the white-walled cavern that will house the Super Cryogenic Dark Matter Search, an experiment that will look for dark matter particles with masses ranging from half to 10 times the mass of a proton.

By Catherine N. Steffel. You can read the entire article at the Fermilab News web site.

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