Titlebook: Many Body Structure of Strongly Interacting Systems; Refereed and Selecte Hartmuth Arenh?vel,Hartmut Backe,Thomas Walcher Conference procee

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The Bonn Electron Stretcher Accelerator ELSA: Past and futurein Europe. After five years of performing photoproduction experiments at this accelerator, a larger 2.5 GeV electron synchrotron was built and set into operation in 1967. Both synchrotrons were running for particle physics experiments, until from 1982 to 1987 a third accelerator, the electron stretc

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The Mainz Microtron MAMI —Past and future hadron and radiation physics experiments. An energy upgrade of this facility to 1.5 GeV by adding a Harmonic Double-Sided Microtron (HDSM) as a fourth stage is well underway and first beam is expected during the first half of 2006. A detailed description of the multiple recirculation scheme with no

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The Gerasimov-Drell-Hearn sum rule at MAMItron has been carried out by the GDH collaboration at the electron accelerators MAMI (Mainz) and ELSA (Bonn). The GDH sum rule connects the helicity-dependent photoabsorption cross section with the anomalous magnetic moment of the nucleon. The GDH collaboration has measured the total cross section o

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Coherent X-rays at MAMIcations. Novel types of interferometers have been developed for the measurement of the complex index of refraction of thin self-supporting foils. For the vacuum ultraviolet and soft X-ray region the interferometer consists of two collinear undulators, and a grating spectrometer. A foil placed betwee