Speaker
Description
A method has been developed to match large three-dimensional Coulomb crystals into existing accelerators. Simulations show bunch temperatures below 1 Kelvin persisting for thousands of turns in the BNL Booster and for tens of thousands of turns in an idealised ring (both with no cooling). Focussing forces balance space charge to give zero net phase advance and the crystal structure can be preserved for tens of milliseconds. Magnetic focussing confines all three dimensions of the bunch without RF, since the bunch rotation in the ring plane is not at the ring revolution frequency. A zero temperature, uniformly-filled ellipsoid of charge gives a 15-parameter model that can be used for matching and linear stability analysis.
Funding Agency
Work supported by Brookhaven Science Associates, LLC under Contract No. DE-SC0012704 with the U.S. Department of Energy.
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