The experiment D0 at FERMILAB, where the structure of matter is investigated in the high-energy proton-antiproton collisions, participated on the discovery of the top quark in 1995. A group of physicists, technicians and PhD students from the Joint laboratory for subnuclear physics (JLSP) has taken part in this experiment since 1996. They have concentrated on the analysis of the so-called multi-jet events, including the study of the top quark. The participation in this experiment is very important not only because of the direct access to unique data, but also as an invaluable preparation of young physicists for future LHC experiments, where the detector and the methods of data processing will be quite similar. At present, a communication and computing system for processing and physical analysis of the D0 data is being built in JLSP and our technicians collaborate on the upgrade of the D0 detector (muon detector, vertex silicon detector). In March 2001 the upgraded TEVATRON accelerator will restart operation and with its energy of 2 TeV it will remain the world's most powerful facility with large discovery potential (the Higgs boson and other new particles) until the start-up of LHC at CERN in 2005.Further information about the D0 experiment can be found here.
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