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| Preprint/Book | PHPPUBDB-1390 |
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2006
DESY
Hamburg
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Please use a persistent id in citations: doi:10.3204/PHPPUBDB-1390
Report No.: TESLA 2006-12; TESLA-FEL 2006-13; XX2006/11/30XX
Abstract: In the initial development stage the future European XFEL offers five beam lines to users performing experiments with FEL light in the x-ray range. One requirement to the accelerator is to supply electron beams to the different user beam lines almost at the same time. Within limits given by the energy bandwidth of the beam delivery system the bunch pattern and beam energy should be adjustable independent for each user beam line from the other user beam lines.To fulfill these requirements the timing system has to organize and steer a time sliced operation. This can be realized by performing a cycle consisting of an rf pulse sequence which is accelerating subsequent the different types of beam.In addition, the technical properties of various subsystems like for beam creation, high power rf and rf control, diagnostics, accelerator control and experimental setups using FEL light have to be taken into account for the design and construction of the timing system.The paper presents the major accelerator subsystem requirements, the actual status of considerations on the timing system hardware and a concept for the organization of a time sliced operation. It has to be viewed as a proposal intend for circulating ideas as possible starting point to elaborate a conceptional design report.
Keyword(s): DESY XFEL ; control system ; beam transport ; power engineering ; time: trigger
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