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CERN-LHC presentation
 

CERN-LHC presentation

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A presentation on the Large Hadron Collider, upon my visit to CERN (European Center for Nuclear Research), Genèva in 2011

A presentation on the Large Hadron Collider, upon my visit to CERN (European Center for Nuclear Research), Genèva in 2011

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    CERN-LHC presentation CERN-LHC presentation Presentation Transcript

      • CERN
      A VERY SHORT EXPLANATION OF THE LHC (LARGE HADRON COLLIDER) AT CERN (Centre Européen pour la Recherche Nucleaire), GENÈVA This presentation was composed in order to qualify for teaching in english language at the university of Burgos
      • Alfonso de la Fuente Ruiz, 2011
    • What is the LHC?
    • A huge engineering project
      • Civil engineering at its best, computer science supporting and theoretical physics leading the way into the unknown.
    • The power of the atom, unleashed
      • After the sad events at Hiroshima & Nagasaki, Robert Oppenheimer led the physics community towards a happier goal, for retribution
    • A European Union endeavour
      • Álvaro de Rújula, representative spanish manager in theoretical physics at CERN
    • The Lord of the Rings
      • Subatomic particles are accelerated at practically the speed of light along a 27 kms. circular tunnel right under the city of Genèva (Switzerland)
      • LHC lies 175 m underground
    • CERN employs 1/3 students
    • Smashing things together
      • Hadron collisions being registered in 3D (full-res.)
    • The particle zoo
      • A quest for the Higgs boson?
    • Blank Hole danger? No way!
    • But why not?
      • Safety of particle collisions at the
        • Large Hadron Collider:
      • Hawking's calculation and more general quantum mechanical arguments predict that micro black holes evaporate almost instantaneously. Additional safety arguments beyond those based on Hawking radiation were given in the papers, which showed that in hypothetical scenarios with stable black holes that could damage Earth, such black holes would have been produced by cosmic rays and would have already destroyed known astronomical objects such as the Earth, Sun, neutron stars, or white dwarfs. Further, microscopic black holes generated from a particle accelerator are very small in size and are expected to have a high velocity[citation needed], making it impossible[citation needed] for them to accrete a dangerously large amount of mass before leaving the earth for good.
    • The World Wide Web was created at CERN
      • Tim Berners-Lee, 1989
      • Sept. 2008: LHC damaged!
      • Picture below, shows two of the most severely broken interconnects, which are between the magnets in LHC sectors three and four. The superconducting magnets, used to direct and focus the proton beams in the experiment, are cooled by liquid helium. An electrical fault caused the liquid helium to leak, resulting in a need for repairs that has put the experiment out of action until at least summer 2009.
      • An electrical fault caused the helium leak. A resistive zone developed in one of the electrical connections, created an electrical arc that punctured one of the helium enclosures around a magnet, according to an analysis by CERN.
      • The warming helium expanded in the vacuum enclosure of the central subsector of the pipe, damaging the vacuum barriers separating the central subsector from the neighboring subsectors.
    • 2011: Currently a success!
      • Scientific output
      • Luminosity record
      • Higgs' spotting rumoured as of may 2011
    • Thank you!