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| MOPCH079 |
Ion Optical Design of the Heavy Ion Synchrotron SIS100
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214 |
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- J. Stadlmann, K. Blasche, B. Franczak, C. Omet, N. Pyka, P.J. Spiller
GSI, Darmstadt
- A.D. Kovalenko
JINR, Dubna, Moscow Region
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We present the ion optical design of SIS100, which is the main synchrotron of the FAIR project. The purpose of SIS100 is the acceleration of high intensity heavy ion and proton beams and the generation of short compressed single bunches for the production of secondary beams. Since ionization in the residual gas is the main loss mechanism, a new lattice design concept had to be developed, especially for the operation with intermediate charge state heavy ions. The lattice was optimized to generate a peaked loss distribution in charge separator like lattice cells. Thereby it enables the control of generated desorption gases in special catchers. For bunch compression, the lattice provides dispersion free straight sections and a low dispersion in the arcs. A special difficulty is the optical design for fast and slow extraction, and the emergency dumping of the high rigidity ions within the same short straight section.
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