After a break of more than three years, the world’s largest particle accelerator restarted on Friday. The break was necessary for upgrading and maintenance work. The Large Hadron Collider, located under the Swiss-French border area near Geneva is 27-kilometres long. Some consider it best known for helping confirm the subatomic Higgs boson in 2012.
According to The European Organization for Nuclear Research, or CERN, the two beams of protons circulated in opposite directions around the accelerator on Monday. They say it is still months away from high-energy and high-intensity collisions. This is the colliders third round of testing.
The first phase of testing happened from 2010 to 2012, and the second from 2015 to 2018. The team of researchers expect this round to last until 2026. Mike Lamont, CERN’s director for accelerators and technology said “ The machines and facilities underwent major upgrades during the second long shutdown of CERN’s accelerator complex,”
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