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| TUCOB01 |
Stochastic Cooling Project at the Experimental Storage Ring, CSRe at IMP
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64 |
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- J. X. Wu, J. W. Xia, Y. Zhang
IMP, Lanzhou
- F. Caspers
CERN, Geneva
- T. Katayama, F. Nolden
GSI, Darmstadt
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Stochastic cooling at the experimental Cooler Storage Ring, CSRe at the Institute of Modern Physics (IMP) in China, will be used mainly for the experiments with radioactive fragment beams. Those RI beams arrive from the fragment separator with the emittance of 20-50 mm. mrad and the momentum spread Dp/p of ± 0.5~1.0 %. The equipped electron cooler is not able to cool down this hot beam within enough short period. Stochastic cooling is effective for these RI beams to reduce the emittance to less than 5 mm.mrad and Dp/p of 5·10-4 within 2-20 sec. After the stochastic pre-cooling, the electron cooling will further cool down the emittance and Dp/p within several seconds. The paper gives the design of the stochastic cooling system and the simulation results. The new developed forward traveling wave structure is presented as well as the measured results of test model.
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Slides
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