- Conference date: 31 August-6 September 2003
- Location: Aschaffenburg (Germany)
The spectroscopy of baryon resonances especially with high masses allows new insight into the properties of hadronic matter and to study the question of the relevant degrees of freedom in the region of non‐perturbative QCD. The electron accelerator ELSA at Bonn provides electrons with energies up to 3.2 GeV which are used to produce unpolarized and polarized bremsstrahlung photons with energies up to 3.0 GeV for photoproduction experiments off the nucleon. The results of the 1997 and 1998 runs of the SAPHIR experiment are discussed. Preliminary results from the runs in 2000 and 2001 of the Crystal Barrel experiment at ELSA on single and double neutral meson production are presented. From the high statistics 2003 data of the Crystal Barrel‐TAPS experiment asymmetries obtained with linearly polarized photons for the channel γ⃗p → pηπ0 are shown.
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