Beam Diagnostics Developments for Current Operation of SIS18 and HEBT

Three beam diagnostics developments for the current operation of the SIS18 and the high energy beam transport (HEBT) lines are described: a service program for SIS18 diagnostics, a tool for spill structure analysis and the renewed beam position monitor system in the HEBT lines. Service program for SIS18 diagnostics Since SIS operating started, a lot of measurements for beam characterisation within the synchrotron were done only by experts. With the help of a new service program called SPEKY, measurements especially in frequency domain are now prepared to be applied by the whole operator staff.. The handling of some relevant beam diagnostic devices such as phase probe or Schottky pick-up including a spectrum analyser has to be simplified for standard measurements during beam time. Every member of the operating staff has to be able for execution of the following standard measurements: determination of revolution frequency, determination of particles momentum-spread and monitoring of the bunched beam intensity. A dedicated spectrum analyser that is integrated in the operating console for accelerator control, is fed by preselected signal sources and dedicated triggers (Fig. 1). Interfacing the spectrum analyser via IEC-bus allows a slim handling that fits the needs of the measurement.