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Abstract:
For some very interesting experiments in future low-energy storage rings it is highly desirable to realize ultra-short bunches in the nanosecond regime. These bunches could then be used for collision studies with atomic or molecular gas jet targets where the time structure of the bunches would be used as a trigger for the experiment. Thus, the control of the longitudinal time structure of the stored beam is of central importance since it directly determines the resolution of the envisaged experiments. Since many years, it has been a significant challenge for the storage ring accelerator-physics community to develop techniques to reduce the duration of bunches. Up to now, all methods that have been developed go along with various difficulties, which can include reduced stored-beam lifetimes. Thus, novel and innovative concepts for the manipulation and control of the longitudinal beam structure have to be developed. In this paper, novel approaches to realize shortest bunches in storage rings are presented.
