OTHER SEMINARS - A new state of matter: Results from the CERN Lead-Beam Programme

by L. Maiani, U. Heinz and representatives of the heavy-ion experiments (CERN)

Thursday 10 Feb 2000, 09:30 → 14:00 Europe/Zurich

503/1-001 - Council Chamber (CERN)

This special seminar aims at an assessment of the results from the heavy ion programme with lead ion beams at CERN, which was started in 1994. A series of talks will cover the essential experimental findings and their interpretation in terms of the creation of a new state of matter at about 20 times the energy density inside atomic nuclei. The data provide evidence for colour deconfinement in the early collision stage and for a collective explosion of the collision fireball in its late stages. The new state of matter exhibits many of the characteristic features of the theoretically predicted Quark-Gluon Plasma. Ulrich Heinz (CERN) Making Quark-Gluon Matter in Relativistic Nuclear Collisions Louis Kluberg (IN²P³) The J/y suppression pattern observed in Pb-Pb collisions ions: a signature for the production of a new state of matter. Johanna Stachel (University of Heidelberg) Virtual and real photons radiated by the cooling and hadronizing fireball. Reinhard Stock (University of Frankfurt) Hadron Signals of the Little Bang. Emanuele Quercigh (CERN) Strange signals of a new state of matter from nuclear collisions at SPS. Luciano Maiani (Director General) Summary

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