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SPP 1034:  Untersuchungen der hadronischen Struktur von Nukleonen und Kernen mit elektromagnetischen Sonden

Subject Area Physics
Term from 1997 to 2003
Project identifier Deutsche Forschungsgemeinschaft (DFG) - Project number 5468019
 
The priority programme "The Investigation of the Hadronic Structure of Nucleons and Nuclei Probed by the Electromagnetic Interaction" is centered around the electron accelerators ELSA, University of Bonn, and MAMI, University of Mainz. The identification of the relevant degrees of freedom to describe the structure of the proton and the neutron is the main goal of the programme. Quarks and gluons, the constituents "visible" on the high energy scale are not the prope degrees of freedom to start a calculation of the structure of the nucleons at intermediate energies. New developments on the experimental side like the polarisation of the beam and the target allow very specific experiments with high accuracy. New approaches in theory help to identify the proper experiments and lead slowly to a consistent picture of the structures under investigation.
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