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Stored and Cooled Ions Division
 
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Accelerators and ion storage ring TSR

Electron cooling

The phase space of stored ions can be compressed by aligning the ion beam with a cold dense electron beam over a length of about 1.2 m. The rms velocity spreads of the ions in all degrees of freedom is reduced by Coulomb interaction and this process is called electron cooling. In order to get a better understanding systematic investigations on this topic are being made at the TSR. The different degrees of freedom are being studied.




Systematic measurements were performed with D+, 6Li3+, 12C6+ and 16O8+ ions (6.1 MeV/u)