RHIC Superconducting Accelerator

and Electron Cooling Group

Electron Cooling Projects

At BNL we combine the principles of superconducting RF acceleration to generate high-current, high-brightness electron beams for the purpose of unique electron cooling systems.

High-energy electron cooling is done at electron energies beyond the reach of electrostatic accelerators, for example, for cooling gold ion beams at RHIC we need 54 MeV electron beams. This technique is essential for cooling the RHIC beams in eRHIC:

• High Energy Electron Cooling

RHIC can be also operated at low energies, where the electron beam energy used for cooling can be as low as 1 MeV. Here one may use electrostatic accelerators, but still there are interesting possibilities with SRF electron sources:

• Low Energy Electron Cooling

The high-brightness of the electron beams produced with SRF guns and linacs is such that one may combine electron cooling with FEL amplification of charge to produce a most powerful electron cooler - the Coherent Electron Cooler:

• Coherent Electron Cooling

Last Modified: March 12, 2008

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