Stochastic cooling experiments for CSRe at IMP

A novel type of perforated travelling wave pick-up/kicker structure was developed for CSRe stochastic cooling which was originally proposed by F. Caspers at CERN. The simulated and measured results of shunt impedance of the slotted travelling wave pickup electrode are in reasonable agreement. In Dec...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2019-07, Vol.932, p.83-89
Main Authors: Zhu, G.Y., Wu, J.X., Caspers, F., Nolden, F., Zhang, Y., Wei, Y., Hu, X.J., Du, Z., Xie, H.M., Jing, L., Gu, K.W., Xia, J.W.
Format: Article
Language:English
Subjects:
CSRe
Pickup/kicker
Power amplifier
Stochastic cooling
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Summary:A novel type of perforated travelling wave pick-up/kicker structure was developed for CSRe stochastic cooling which was originally proposed by F. Caspers at CERN. The simulated and measured results of shunt impedance of the slotted travelling wave pickup electrode are in reasonable agreement. In December 2015 stochastic cooling of heavy ions was successfully applied for the first time at the CSRe storage ring of IMP in Lanzhou, China. During four days of commissioning, transverse and longitudinal cooling could be observed. Both the time-of-flight and the notch filter methods were used for longitudinal cooling. The measured cooling rates are presented.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2018.09.023