About the US/LHC Project

The Large Hadron Collider at CERN near Geneva, Switzerland is opening new vistas on the deepest secrets of the universe, stretching the imagination with newly discovered forms of matter, forces of nature, and dimensions of space. This site provides general information about the Large Hadron Collider and detailed information about American participation in the LHC accelerator and experiments. U.S. LHC participation is supported by the US Department of Energy's Office of Science and the National Science Foundation.

A proton-proton collision event in the CMS experiment producing two high-energy photons (red towers). This is what we would expect to see from the decay of a Higgs boson but it is also consistent with background Standard Model physics processes. (Courtesy: CERN)

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Accelerator Images


Cryogenics for the LHC. 2003, Courtesy of CERN.	CERN Control Centre. 2008, Courtesy of CERN	Descent of the last dipole magnet into the LHC tunnel. 2007, Courtesy of CERN
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An aerial view of the Geneva region, showing the position of the LHC tunnel. 2001, Courtesy of CERN.	The magnets of the final focus for LHCb in the LHC tunnel next to point 8. 2006, Courtesy of CERN.	The LHC tunnel after repairs. 2009, Courtesy of CERN.
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Repairs being made in March 2009 to the damaged section of the LHC. 2009, Courtesy of CERN.	Members of Fermilab's Technical Division gathered for a send-off celebration for an advanced superconducting magnet (orange) bound for the Large Hadron Collider at CERN. Courtesy of Fermilab Visual Media Services.	LHC Magnet in tunnel. Courtesy of Fermilab Visual Media Services.
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Distribution feed box for LHC magnets. Courtesy of Fermilab Visual Media Services.	LHC Magnet on Test Stand in Industrial Building 1 at Fermilab (IB1)(Magnet Test Facility) - Yuenian Huang. Courtesy of Fermilab Visual Media Services.	LHC Magnet with open ends at Fermilab - Bill Mumper. Courtesy of Fermilab Visual Media Services.
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Interconnections on the last sector of the LHC. 2007, Courtesy of CERN.	LHC magnet alignment in the tunnel. 2007, Courtesy of CERN	First magnet constructed for the LHC by Brookhaven National Laboratory in New York. 2003, Courtesy of CERN.
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About the US/LHC Project

Accelerator Images

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