The Large Hadron Collider has been in a coincidental lockdown during the pan-demic for planned up-grades, but it will soon be back online and hunting for new physics
THE Large Hadron Collider at CERN near Geneva, Switzerland, will start running again after a three-year shutdown and delays due to the covid-19 pandemic. The particle collider – known for its role in the discovery of the Higgs boson, which gives mass to all other fundamental particles – will return in 2022 with upgrades that give it a power boost.
Phil Allport at the University of Birmingham in the UK says the upgrades could allow new measurements that give us insight into the way the Higgs boson decays, leading to a better understanding of how it fits into the standard model.“These measurements shed light on what’s happening at the highest energies that we can reach, which tells us about phenomena in the very early universe,” he says.
“All of these things require extensions to the standard model of particle physics to accommodate, and all of those theories make predictions. And the best place to look to test those predictions is usually in the highest energies achievable,” says Allport. He says the LHC upgrades also pave the way to entirely new observations that signal a departure from the standard model.
Rende Steerenberg at CERN says that these more powerful beams will cause collisions at higher energies than ever before, and other upgrades in the future will also allow more particles to be collided at the same time.
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