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New Perspectives for Physics with Antiprotons: the HESR-Project at GSI

New Perspectives for Physics with Antiprotons: the HESR-Project at GSI. Volker Metag II. Physikalisches Institut Justus-Liebig-Universität Gießen, Germany. XXVII Mazurian Lakes School of Physics, September 2-9, 2001. jet production in pp-collisions at = 1.8 TeV. (Fermilab). p. p.

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New Perspectives for Physics with Antiprotons: the HESR-Project at GSI

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  1. New Perspectives for Physics with Antiprotons: the HESR-Project at GSI Volker Metag II. Physikalisches Institut Justus-Liebig-Universität Gießen, Germany XXVII Mazurian Lakes School of Physics, September 2-9, 2001

  2. jet production in pp-collisions at = 1.8 TeV (Fermilab) p p Quantum chromodynamics at short distances aS<< 1 perturbative treatment: example: jet transverse energy quantitative description of the experimental cross section over 10 orders of magnitude by perturbative QCD!

  3. Quantum chromodynamics at large distances aS (Q2)  1 for Q2  1 GeV2 10-18 10-17 10-16 10-15 distance [m] non-perturbative phenomena: confinement, chiral symmetry breaking challenge: explore QCD in the non-perturbative regime

  4. charmonium spectroscopy: testing confinement unique window to study interplay of perturbative and non-perturbative effects energy levels, widths:  details of QQ interaction exclusive decays: sensitive to non-perturbative effects open problems in J/ spectroscopy: • search for c'-state • confirm 'P1-state • measure transition rates • identify states above DD threshold

  5. hadron mass temperature, density spontaneous symmetry breaking paramagnetic ferromagnetic chirally symmetric world our world

  6. Mesons and Exotics

  7. detector features: tracking of charged particles measurement and identification of g, e, m, p, K, p, p high rate capability sophisticated and fast trigger scheme detector scenario for HESR

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