Department System Design SIS100/SIS18 (SYS)


The SYS department currently has 11 employees. It consists mainly of physicists, whose work is naturally focused on accelerator physics, but also employs an engineer with a focus on signal processing and software development. The SYS department is divided into two groups.

One group deals with the design of synchrotrons. Their tasks are among others:


  • Implementation of simulations for the design and further development of the SIS18 and SIS100 synchrotrons
  • Ensuring the functionality of the synchrotrons from a physical point of view
  • Maintenance of the ion optical models of SIS18 and SIS100
  • Development and enhancement of the operation modes of SIS100 and SIS18 to optimize the operation of the accelerators
  • Performance of machine experiments to optimize the operation of the synchrotrons
  • Definition of functional requirements for the components of the synchrotrons
  • Verification of the conformity with the requirements of components manufactured by external companies under the supervision of the specialized groups
  • Evaluating the consequences of unavoidable non-conformities and developing strategies to reduce the negative effects
  • Monitoring the consistent mechanical integration of all accelerator components into the machine, as part of the digital mock-up (DMU)
  • Development of strategies and procedures for the commissioning of SIS100

The other group is concerned with the control of accelerators. Their tasks are among others:


  • Physical modeling of FAIR's accelerators, in particular the ring accelerators and beamlines, to calculate setpoints for the components involved (e.g. current, voltage, frequency) from physical parameters (e.g. ion type, energy, tune, chromaticity)
  • Development of beam-based measurement and control systems for the optimization of accelerator operation by adjusting the target values based on accelerator physics algorithms, using measurement data from beam diagnostic systems
  • Generation of graphical user interfaces for the operation of the accelerator control system
  • Implementation of graphical user interfaces to visualize the current operating state of the synchrotrons

Due to its central position, the SYS department works hand in hand with many other departments, in particular