Electron Cooling at CERN - Past, present, and future.
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Abstract:
Electron cooling is a fast process to shrink the size, divergence and energy spread of a stored charged particle beam without the loss of intensity. It was proposed by Gersh Budker in 1966 as a means of increasing the luminosity in hadron colliders and was first demonstrated on the NAP-M ring in 1974 at Novosibirsk.
After the Initial Cooling Experiment (ICE) at CERN in 1978, electron cooling is now used routinely on the low energy rings to improve the quality of the antiproton beams at CERN’s Antimatter Factory and the lead ion beams for the LHC and North Area.
After a brief introduction to the theory of electron cooling and the hardware needed to build such a device, the three operational devices will be presented along with the plans to build a cooler operating at higher electron beam energy.