Proton Power Upgrade Nears Completion at Oak Ridge Lab
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The Proton Power Upgrade (PPU) project for the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory is nearing completion. The project involves the construction of a curved concrete tunnel extension to connect the existing particle accelerator at SNS with the planned Second Target Station (STS). The PPU project will increase accelerator power from 1.7 megawatts to 2.8 megawatts, allowing for the world's highest peak brightness of neutrons. Neutrons are used in various research applications, including developing vaccines, analyzing batteries, and studying decarbonization. The construction involved removing 20,000 cubic yards of dirt and installing a concrete block wall for radiation shielding. The SNS will be on a planned operational hiatus until June 2024 for further upgrades. Oak Ridge National Laboratory manages the SNS, which is a Department of Energy user facility.

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https://www.miragenews.com/proton-power-upgrade-nears-completion-at-oak-1229957/