## Probing Quantum Electrodynamics in Strong Fields |

At the heavy-ion storage ring ESR, the effects of quantum electrodynamics (QED) can be studied even for hydrogenlike high-Z ions. In the strong fields of high-Z systems, higher-order QED effects can be investigated which are not accessible for low-Z ions. The goal of the experiments is to probe these higher-order QED contributions and to provide a stringent test of bound state QED. |

- The 1s Lamb-Shift in High-Z One-Electron Ions
- The Hyperfine Structure of High-Z One-Electron Ions
- The g-Factor of Bound-State Electrons
- Groundstate Binding Energies in High-Z Two-Electron Systems
- Test of QED in Few-Electron Ions
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- Jobs, PHD/DIPLOM