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TUP05 |
Towards Laser Cooling of Relativistic 16O5+ Ion Beams at the CSRe | |
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Laser cooling is one of the most promising techniques to achieve high phase-space densities or even crystalline beams for relativistic heavy ion beams at storage rings [*]. In addition, precision laser spectroscopy of relevant transitions in highly charged ions can also be performed simultaneously during the laser cooling experiments [**]. In the storage ring CSRe at IMP, a new laser cooling experiment for Li-like 16O5+ ion beams is currently being prepared and will be carried out at the end of the year 2017 under the Laser-cooling Collaboration. During the experiment, a CW laser with a wavelength of 220 nm will be used to cool the 16O5+ ion beams with an energy of 280 MeV/u. The 16O5+ ion beams will be the highest charge state and highest energy ions ever used for laser cooling at the storage rings. In the experiment, the longitudinally dynamics of ultra-cold ion beams will be investigate systematically towards the transition of the space charge dominated regime. Precision laser spectroscopy of 16O5+ ions for measuring the transition energy of 2s1/2'2p1/2 and 2s1/2'2p3/2 is foreseen.
[*] U. Schramm et al., Progress in Particle and Nuclear Physics, 53 (2004) 583-677. [**] U. Schramm et al., Hyperfine Interactions 162(1) (2005), 181-188 |
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