Electron bunches keep ions cool at RHIC
(PHYSorg.com Physics)

Accelerator physicists have demonstrated a groundbreaking technique using bunches of electrons to keep beams of particles cool at the Relativistic Heavy Ion Collider (RHIC)-a U.S. Department of Energy Office of Science user facility for nuclear physics research at Brookhaven National Laboratory. This `bunched-beam` electron cooling technique will enable higher particle collision rates at RHIC, where scientists study the collision debris to learn about the building blocks of matter as they existed just after the Big Bang.