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MOPRI087 |
Challenges of the Technical Layout of the SIS 100 Extraction System |
815 |
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- N. Pyka, L.H.J. Bozyk, U. Kopf, C. Mühle, D. Ondreka, P. Rottländer, P.J. Spiller, St. Wilfert
GSI, Darmstadt, Germany
- A.G. Kalimov
St. Petersburg State Polytechnic University, St. Petersburg, Russia
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The FAIR synchrotron SIS100 which is under construction will provide heavy ion and proton beams of high intensity with fast and slow extraction. All extraction devices, including an internal emergency beam dump system, are installed within one straight section. This way, expected systematic beam loss is kept in a relatively small area of the synchrotron. In this area, it is rather challenging to protect components against high radiation fields, to keep XHV conditions, and to allow for maintenance of highly activated components to assure reliable beam operation. In this contribution, the technical measures to fulfill the requirements for the extraction straight section of SIS100 will be presented. These include remote controlled devices to move apart magnet yokes for the purpose of placing beam pipe heater; dedicated star-shaped vacuum chambers with integrated collimators and NEG-panels to reduce pressure bumps due to lost particles behind the electrostatic septa; a high-power multi-stage vertical extraction septum including a variable horizontal deflection.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-MOPRI087
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THOBA02 |
Status of the Emittance Transfer Experiment Emtex |
2798 |
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- M.T. Maier, L. Groening, C. Mühle, I. Pschorn, P. Rottländer, C. Will, C. Xiao
GSI, Darmstadt, Germany
- M. Chung
Fermilab, Batavia, Illinois, USA
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In order to improve the injection efficiency of the round UNILAC heavy ion beam into the asymmetric acceptance of the SIS18 it would be of great advantage to decrease the horizontal emittance by a so called emittance transfer to the vertical plane. In this contribution the present status of the emittance transfer experiment EMTEX at GSI will be reported. A short introduction about the theoretical background of the technique will be given, while the main part is dedicated to the practical solutions setting up a test beam line at GSI. Finally, the results of a first commissioning beam time will be presented. The scheduled beam time to apply the emittance transfer technique foreseen in spring 2014 had to be shifted to calendar week 26 in 2014, just after this conference, as some components have not been delivered in time by the contractor. The results and comparison to the theoretical predictions you may find in later publications.
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Slides THOBA02 [1.928 MB]
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-THOBA02
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Export • |
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