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The Large Hadron Collider (LHC) is the world’s largest and most powerful particle accelerator. It first started up on 10 September 2008, and remains the latest addition to CERN’s accelerator complex. The LHC consists of a 27-kilometre ring of superconducting magnets with a number of accelerating structures to boost the energy of the ...
The Large Hadron Collider (LHC) is the most powerful particle accelerator ever built. The accelerator sits in a tunnel 100 metres underground at CERN, the European Organization for Nuclear Research, on the Franco-Swiss border near Geneva, Switzerland.
By Naomi Dinmore. LHC Page 1 showing the first stable beams of 2024 (Image: CERN) On Friday 5 April, at 6.25 p.m., the LHC Engineer-in-Charge at the CERN Control Centre (CCC) announced that stable beams were back in the Large Hadron Collider, marking the official start of the 2024 physics data-taking season. The third year of LHC Run 3 promises ...
The LHC tunnel at point 1 (Image: CERN) The world’s largest and most powerful particle accelerator has restarted after a break of more than three years for maintenance, consolidation and upgrade work. Today, 22 April, at 12:16 CEST, two beams of protons circulated in opposite directions around the Large Hadron Collider ’s 27-kilometre ring ...
Ten years ago, on 10 September 2008, two yellow dots on a screen signalled the first time that protons had circulated CERN’s Large Hadron Collider (LHC), marking the end of years of design and construction. It was also a moment when the wider world switched on to particle physics. The spectacle of a bunch of subatomic particles making its way around a 27-km-circumference subterranean tube at ...
The accelerator complex at CERN is a succession of machines that accelerate particles to increasingly higher energies. Each machine boosts the energy of a beam of particles before injecting it into the next machine in the sequence. In the Large Hadron Collider (LHC) – the last element in this chain – particle beams are accelerated up to the ...
The Large Hadron Collider (LHC) at CERN usually collides protons together. It is these proton–proton collisions that led to the discovery of the Higgs boson in 2012. But the world’s biggest accelerator was also designed to smash together heavy ions, primarily the nuclei of lead atoms, and it does so every year for about one month.
At 46 m long, 25 m high and 25 m wide, the 7000-tonne ATLAS detector is the largest volume particle detector ever constructed. It sits in a cavern 100 m below ground near the main CERN site, close to the village of Meyrin in Switzerland. More than 5500 scientists from 245 institutes in 42 countries work on the ATLAS experiment (March 2022).
The biggest experiments at CERN operate at the Large Hadron Collider, seen here during the installation of the accelerator's dipole magnets (Image: Maximilien Brice/Claudia Marcelloni/CERN) The biggest of these experiments, ATLAS and CMS, use general-purpose detectors to investigate the largest range of physics possible. Having two ...
A round of applause broke out in the CERN Control Centre on 5 July at 4.47 p.m. CEST when the Large Hadron Collider (LHC) detectors switched on all subsystems and started recording high-energy collisions at the unprecedented energy of 13.6 TeV, ushering in a new physics season. This feat was made possible thanks to the operators who had worked around the clock since the restart of the LHC in ...