Symmetry Magazine -
23 Jun 2017 20:57

The startup of a 25-ton test detector at CERN advances technology for the Deep Underground Neutrino Experiment. In a lab at CERN sits a very important box. It covers about three parking spaces and is more than a story tall. Sitting inside is a metal device that tracks energetic cosmic particles. This is a prototype detector, a stepping-stone on the way to the future Deep Underground Neutrino Experiment (DUNE). On June 21, it recorded its first particle tracks. So begins the largest ever test of ...
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