| Paper |
Title |
Page |
| MOP061 |
The 70-MeV Proton Linac for the Facility for Antiproton and Ion Research FAIR
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186 |
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- L. Groening, W. Barth, L. A. Dahl, W. Vinzenz, S. Yaramyshev
GSI, Darmstadt
- G. Clemente, U. Ratzinger, A. Schempp, R. Tiede
IAP, Frankfurt-am-Main
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A significant part of the experimental program at FAIR is dedicated to antiproton (pbar) physics requiring up to 7·1010 cooled pbars per hour. Taking into account the pbar production and cooling rate, this is equivalent to a primary proton beam of 2·1016 protons per hour to be provided by a 70 MeV proton linac preceding two synchrotrons. It has to deliver a pulsed proton beam of 70 mA of 36 μs duration at a repetition rate of 4 Hz. The normalized transverse emittances must not exceed 2.8 mm mrad and the total relative momentum spread must be less than 0.1%. The normal conducting DTL comprises 12 Crossed-bar H-cavities (CH) fed by six rf-power sources in total. The basic layout of the linac as well as the overall cost estimate has been completed including several reviews by external committees. A technical report has been completed in May 2006. This paper gives a general overview on the status of the project.
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| TH1004 |
A 70-MeV Proton Linac for the FAIR Facility Based on CH - Cavities
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526 |
| |
- U. Ratzinger, G. Clemente, C. Commenda, H. Liebermann, H. Podlech, R. Tiede
IAP, Frankfurt-am-Main
- W. Barth, L. Groening
GSI, Darmstadt
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Future Accelerators for fundamental and for applied research will need a significant improvement in injector capabilities. This paper will describe the concept and the status of the 70 MeV, 70 mA proton injector for GSI - FAIR and compare the CH - linac design with traditional DTL concepts. Improvements in the space charge routine of the LORASR code as well as CH - prototype cavity development and cavity grouping with respect to commercial 3 MW rf power amplifiers is reported. Additionally, the potential of robust superconducting low and medium energy high current linac sections will be explained on the basis of experimental results from a first 19 cell s.c. 350 MHz CH - prototype cavity.
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| TUP086 |
Linac Code Benchmarking for the UNILAC Experiment
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460 |
| |
- F. Franchi, W. B. Bayer, G. Franchetti, L. Groening, I. Hofmann, A. Orzhekhovskaya, S. Yaramyshev, X. Yin
GSI, Darmstadt
- G. Bellodi, F. Gerigk, A. M. Lombardi, T. Mütze
CERN, Geneva
- G. Clemente, A. C. Sauer, R. Tiede
IAP, Frankfurt-am-Main
- R. Duperrier, D. Uriot
CEA, Gif-sur-Yvette
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In the framework of the European network HIPPI (High Intensity Pulsed Proton Injectors) a linac code comparison and benchmarking program have been promoted. An intermediate goal is to compare different space charge solvers and lattice modelling implemented in each code in preparation of experimental validations from future measurements to be carried out at the UNILAC of GSI. In the last two years a series of different tests and comparisons among several codes (DYNAMION, HALODYN, IMPACT, LORASAR, PARMILA, PATRAN, PATH and TOUTATIS) have been undertaken. The quality of Poisson solvers has been evaluated and a number of code adjustments has been carried out to obtain the best agreement in terms of RMS moments. In this paper we report on the status of this program.
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