Electron-Ion Collider schematic (IMAGE) DOE/Brookhaven National Laboratory Caption EIC schematic: This graphic shows the location of the photocathode electron gun (Electron Source) that will produce the electron beam that enters the electron accelerator and storage rings for collisions with protons or ions traveling in the opposite direction. Credit (Valerie Lentz/Brookhaven National Laboratory) Usage Restrictions OK for use in stories about the Electron-Ion Collider at Brookhaven National Laboratory License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.