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Menk, S.

Paper Title Page
FR5REP041 Cryogenic Ion Beam Storage 4860
 
  • M.W. Froese, K. Blaum, J.R. Crespo López-Urrutia, F. Fellenberger, M. Grieser, D. Kaiser, M. Lange, F. Laux, S. Menk, D. Orlov, R. Repnow, C.D. Schröter, D. Schwalm, A. Shornikov, T. Sieber, J. Ullrich, J. Varju, A. Wolf, R. von Hahn
    MPI-K, Heidelberg
  • O. Heber, M.L. Rappaport, Y. Toker, D. Zajfman
    Weizmann Institute of Science, Physics, Rehovot
 
 

Funding: This work is supported by the Max Planck Society.


An electrostatic Cryogenic Storage Ring (CSR) is currently being built in Heidelberg, Germany. The current status and final design of this ring, with a focus on the precision chamber suspension, optimized 2K chamber cooling, and the cryogenic pumping down to extremely low pressures will be presented. This ring will allow long storage times of ion beams with energies in the range of keV per charge for highly charged ions and polyatomic molecules. Combined with vacuum chamber temperatures approaching 2K, infrared-active molecular ions will be radiatively cooled to their rotational ground states. Many aspects of this concept were experimentally tested with a cryogenic trap for fast ion beams (CTF), which has already demonstrated the storage of fast ion beams in a large cryogenic device. An upcoming test will investigate the effect of pre-baking the cryogenic vacuum chambers to 600K on the cryogenic vacuum and the ion beam storage.