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Content Provider | IEEE Xplore Digital Library |
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Author | Franzke, B. Beckert, K. Bosch, F. Eickhoff, H. Franczak, B. Gruber, A. Klepper, O. Nolden, F. Raabe, P. Reich, H. Spadtke, P. Steck, M. Struckmeier, J. |
Copyright Year | 1993 |
Description | Author affiliation: Gesellschaft fur Schwerionenforschung mbH, Darmstadt, Germany (Franzke, B.; Beckert, K.; Bosch, F.; Eickhoff, H.; Franczak, B.; Gruber, A.; Klepper, O.; Nolden, F.; Raabe, P.; Reich, H.; Spadtke, P.; Steck, M.; Struckmeier, J.) |
Abstract | The Experimental Storage Ring ESR-part of the heavy ion accelerator facility at GST-started operation early in 1990. This paper informs about the progress achieved in accumulation, electron cooling and internal experiments with fully stripped heavy ions from O/sup 8+/ to U/sup 92+/ at energies between 90 MeV/u and 300 MeV/u. RF-stacking combined with compression in phase space by electron cooling turned out to be a very effective accumulation technique. Maximum numbers of stored ions for the heaviest ions are determined by the equilibrium between accumulation rate and beam loss rate due to radiative electron capture of cooler electrons. Beam currents for lighter ions up to Ar/sup 18+/ are limited by coherent instabilities. First excellent results of internal experiments with cooled, circulating beams of either primary ions or of secondary nuclear fragments confirm that the combination of the heavy ion facility Unilac-SIS-FRS with the storage ring ESR offers unique possibilities for atomic, nuclear and accelerator physics. |
Starting Page | 1645 |
Ending Page | 1649 |
File Size | 520350 |
Page Count | 5 |
File Format | |
ISBN | 0780312031 |
DOI | 10.1109/PAC.1993.309087 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 1993-05-17 |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Ion beams Paramagnetic resonance Storage rings Ion accelerators Electron beams Space cooling Radioactive decay Argon Particle beams Atomic beams |
Content Type | Text |
Resource Type | Article |
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