Main Page | See live article | Alphabetical index The Large Hadron Collider (short LHC) is a particle accelerator located at CERN. It is currently under construction and scheduled to start operation in 2007. It uses the 27km circumference tunnel created for the Large Electron Positron (LEP) collider. In contrast to the previous it will collide protons instead of electrons and positrons. External links LHC home page This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.