Large Hadron Collider

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The Large Hadron Collider (LHC) is the largest and most ambitious piece of machinery ever conceived and built by man. The particle accelerator, with a circumference of 27km, is located at the CERN facility with straddles the border of France and Switzerland. The power of this collider will exceed any previously achieved, reaching the order of TeV.

The LHC was powered up on Wednesday 10 September 2008, with the first beams being circulated through the collider. It reached full power in mid-November 2008, which was when the particle physicists were planning on starting the high energy collisions. This was hampered however as the LHC suffered a mechanical breakdown due to microfractures in the supercooled magnetic accelerator (due to superfluid liquid helium) soon after it was switched on and will not be active again until early 2009.

The LHC has four giant detectors designed to probe new dimensions, search for the Higgs Boson (the so called "God Particle", which gives matter and other bosons mass) and hypothetically to investigate what the universe might have been like immediately after the Big Bang.

Legal challenges have been made against the LHC as some believe it could open a microscopic black hole that would swallow the Earth. However scientists have effectively ruled out this scenario, pointing out - among other things - that such particle collisions take place quite often naturally in the earths atmosphere.[1][2] The LHC seeks to prove or disprove other important concepts and theories, including supersymmetry, smaller particles than quarks and electrons, and other types of exotic matter. Ethical challenges have been raised as well, with many considering the search for the so-called "God particle" to be a sign of human hubris. An analogy can be made to the Biblical tower of Babel.

References

  1. Steven B. Giddings, Michelangelo M. Mangano: "Astrophysical implications of hypothetical stable TeV-scale black holes"
  2. Benjamin Koch, Marcus Bleicher, Horst Stoecker: "Exclusion of black hole disaster scenarios at the LHC"

External Links

LHC Homepage at CERN.