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.

Expanding a neutrino hunt in the South Pole

Categories: Cosmic Frontier
Published on: February 14, 2020
The IceCube experiment in Antarctica.

Underneath the vast, frozen landscape of the South Pole lies IceCube, a gigantic observatory dedicated to finding ghostly subatomic particles called neutrinos. Neutrinos stream through the Earth from all directions, but they are lightweight, abundant and hardly interact with their surroundings. 

The IceCube detector consists of an array of 86 strings festooned with more than 5000 sensors, like round, basketball-sized Christmas lights. They reach more than 2 kilometers (more than 1 mile) down through layers of Antarctic ice that have accumulated over hundreds of thousands of years.

By Diana Kwon. You can read the article at the Symmetry Magazine web site

DUNE scientists win APS Early Career Instrumentation Award

Ana Amelia Machado
Ettore Segreto

The American Physical Society (APS) Division of Particles and Fields has given its 2019 Early Career Instrumentation Award to two scientists on the international Deep Underground Neutrino Experiment (DUNE), hosted by Fermilab.

You can read this brief article at the Fermilab News website.

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