Electron cooling is a technique used in particle accelerators to reduce the temperature and increase the phase space density of particle beams. It involves the interaction between a high-energy particle beam (typically composed of heavy ions or protons) and a cloud of low-energy electrons. ### How Electron Cooling Works: 1. **Electron Source**: Electrons are generated and formed into a dense, low-energy beam that can interact with the high-energy particle beam.
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