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New Perspectives for Physics with Antiprotons: the HESR-Project at GSI Volker Metag II. Physikalisches Institut Justus-Liebig-Universität Gießen, Germany.

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Presentation on theme: "New Perspectives for Physics with Antiprotons: the HESR-Project at GSI Volker Metag II. Physikalisches Institut Justus-Liebig-Universität Gießen, Germany."— Presentation transcript:

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

3 Quantum chromodynamics at large distances  S (Q 2 )  1 for Q 2  1 GeV 2 non-perturbative phenomena: confinement, chiral symmetry breaking challenge: explore QCD in the non-perturbative regime 10 -18 10 -17 10 -16 10 -15 distance [m]

4 charmonium spectroscopy: testing confinement unique window to study interplay of perturbative and non-perturbative effects open problems in J/  spectroscopy: search for  c '-state confirm 'P 1 -state measure transition rates identify states above DD threshold energy levels, widths:  details of QQ interaction exclusive decays: sensitive to non-perturbative effects

5 spontaneous symmetry breaking paramagneticferromagnetic chirally symmetric world our world hadron mass temperature, density

6 Mesons and Exotics

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


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