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At CERN, we probe the fundamental structure of particles that make up everything around us. Only a fraction of the collision events are valuable for research and the ATLAS detector must decide which events to store for analysis. The ATLAS experiment detects and measures proton-proton collisions at the Large Hadron Collider (LHC). 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 is located at the CERN Laboratory in Geneva, Switzerland.. Steven Goldfarb, Physicist, University of Melbourne, ATLAS Experiment. BIRTH OF WEB, LHC PAGE 1, BULLETIN... As hinted by anomalies currently seen in the B-meson sector, new physics might exhibit a different flavour structure than the Standard Model. As the first Technical Design Reports are approved, ATLAS teams all over the world begin building detector components and worked on final technical developments. More than 3000 scientists from 174 institutes in 38 countries work on the ATLAS experiment (February 2012). Among them, several searches for scalar leptoquark pair production, where both flavour-diagonal and cross-generational couplings are being tested, will be presented. The research programme at CERN covers topics from kaons to cosmic rays, and from the Standard Model to supersymmetry, Steering and focusing: magnets and superconductivity. What are the basic building blocks of matter? The instrumentation housed inside the inner end-cap must be kept cool to avoid thermal noise. The International School for Advanced Studies (SISSA) was founded in 1978 and was the first institution in Italy to promote post-graduate courses leading to a Doctor Philosophiae A team of physicists at the ATLAS experiment has carried out a new search for dark matter in events with energetic jets and large missing transverse energy using all the proton–proton collision data at 8 TeV accumulated by the experiment in 2012. Find out how ATLAS studies the Higgs boson; learn what protons are made of and how they collide inside the ATLAS detector; and uncover how ATLAS analyses particle collisions to make new discoveries. As hinted by anomalies currently seen in the B-meson sector, new physics might exhibit a different flavour structure than the Standard Model. This article on the ATLAS experiment at CERN is a guest article by Anja Sjöström, an IB diploma student from Switzerland.. Over 3000 scientists from 38 countries are taking part in the ATLAS experiment … Featured news, updates, stories, opinions, announcements, Standard Model surprises at high energies, LS2 Report: Review of a rather unusual year. The main difference between ATLAS and all other particle physics experiments is the huge superconducting aircore toroids which are used The installation of the ATLAS inner detector end-cap C. An ATLAS inner detector end-cap is placed in its cryostat. In addition, a milestone analysis on the search for flavour-violating Z-boson decays into a -lepton and a light lepton (electron or muon), which has for the first time exceeded the LEP sensitivity, will be discussed. To explore this exciting possibility, the ATLAS experiment is pursuing an ambitious program of direct searches for new hypothetical particles with novel couplings, as well as exploiting abundant SM processes to probe exceedingly rare flavour violating decays. Six different detecting subsystems arranged in layers around the collision point record the paths, momentum, and energy of the particles, allowing them to be individually identified. To explore this exciting possibility, the ATLAS experiment is pursuing an ambitious program of direct searches for new hypothetical particles with novel couplings, as well as exploiting abundant SM processes to probe exceedingly rare flavour violating decays. At CERN, we probe the fundamental structure of particles that make up everything around us. , approve the construction of the four major experiments at the Large Hadron Collider ( LHC ) at CERN described... All about the ATLAS experiment at CERN are being tested, will be.! Early studies in the B-meson sector, new physics might exhibit a different design! Scalar leptoquark pair production, where both flavour-diagonal and cross-generational couplings are being tested, will be.. Are being tested, will be presented 1 at CERN experiments at the Hadron! 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