Author: Rubin, A.
Paper Title Page
MOPOY017 Upgrade of the Universal Linear Accelerator UNILAC for FAIR 880
 
  • L. Groening, A. Adonin, X. Du, R. Hollinger, E. Jäger, M.T. Maier, S. Mickat, A. Rubin, B. Schlitt, G. Schreiber, H. Vormann, C. Xiao, A. Yakushev, C. Zhang
    GSI, Darmstadt, Germany
  • M. Baschke, H. Hähnel, H. Podlech, U. Ratzinger, A. Seibel, R. Tiede
    IAP, Frankfurt am Main, Germany
  • Ch.E. Düllmann, P. Scharrer
    HIM, Mainz, Germany
 
  In order to meet the requirements on beam parameters for the upcoming FAIR facility at GSI, the injector linac UNILAC will be upgraded. The activities comprise development of the sources for stable provision of intense uranium beams at a repetition rate of 2.7 Hz, a revision of the beam dynamics layout of the 120 keV/u RFQ, the replacement of the matching section to the 1.4 MeV/u pre-stripper DTL, and enhancement of the gaseous stripping section efficiency. This section shall also include a round-to-flat emittance adaptor to prepare the beam for injection into the synchrotron SIS18 which has a flat transverse injection acceptance. Finally, the upgrade includes the complete replacement of the 40 year old 11.4 MeV/u Alvarez-type post-stripper DTL with a new DTL, preferably using Alvarez-type cavities with improved beam focusing features, as well as its rf-power alimentations.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPOY017  
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