By André Morel (auth.), F. Bradamante, J.-M. Richard, R. Klapisch (eds.)
The 3rd process the overseas university on Physics with Low power Antiprotons was once held in Erice, Sicily on the Ettore Majorana Centre for clinical tradition, from 10 to 18 June, 1988. the varsity is devoted to physics obtainable to experiments utilizing low power antiprotons, specifically in view of operation of the LEAR facility at CERN with the upgraded antiproton resource AAC (Antiproton Accumulator AA and Antiproton Collector ACOL). the 1st path in 1986 coated subject matters concerning primary symmetries; the second one path in 1987 keen on spectroscopy of sunshine and heavy quarks. This e-book con tains the complaints of the 3rd direction, dedicated to the experimental and theoretical elements of the interplay of antinucleons with nucleons and nuclei. The lawsuits include either the academic lectures and contributions awarded by means of members through the institution. The papers are equipped in different sections. the 1st part offers with the theoretical elements of NN scattering and annihilation, and the underlying QCD. The experimental strategies and effects bearing on NN scattering are contained in part II. part III comprises theoretical studies and contributions on anti proton-nucleus scattering and sure states. part IV is dedicated to the experimental effects at the antiproton nucleus platforms and their phenomenological research. eventually, a few attainable advancements of the antiproton machines are presented.
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Extra info for Antiproton-Nucleon and Antiproton-Nucleus Interactions
There is another class of exclusive reactions in QCD involving light nuclei, such as pd - t and pd - t 7r-P which can probe quark and gluon degrees of freedom of the nucleus at surprisingly low energy. These will be discussed in sec. 11. ,n Inclusive reactions involving antiprotons have the advantage that the parton distributions are well understood. " Thus studies of low to moderate energy antiproton reactions with laboratory energies under 10 GeV could give further insights into the full structure of QCD.
6) which is expected to be valid for the leading power behavior: 5 Recent discussions of these effects have been given by Farrar 56 and Lipkin: 7 I discuss a new explanation of all of these effects in sec. 9. Clearly, PP ~ PP data in the large-angle, large-energy regime will also be helpful in clarifying these fundamental issues. ) 10-34 N E ~ 10-30 bl- -0-0 10-31 10-31 10-32 10- 32 10-33 10-33 1 1 1 1 II 3040 6080 10-34 Fig. 16. Test of fixed 8eM scaling for elastic pp scattering. 5 compared to the dimensional counting prediction N=10.
10. Quasielastic pp scattering inside a nuclear target. Normally one expects such processes to be attenuated by elastic and inelastic interactions of the incident proton and the final-state interaction of the scattered proton. , "color transparency," at large momentum transfer. onset of charmed hadron production 36 or interference with Landshoff pinch singularity diagrams~7 Much more testing of the color transparency phenomena is required, particularly in quasielastic lepton-proton scattering, Compton scattering, antiproton-proton scattering, etc.