Gas injector system (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Researchers used a gas injector system (shown here) and dual lasers to create a high-quality 10-GeV electron beam. Credit Marilyn Sargent/Berkeley Lab Usage Restrictions N/A 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.