Jefferson Lab First Upgrade Beam-On-Target Data Collection (image) DOE/Thomas Jefferson National Accelerator Facility Share Print E-Mail Caption The Jefferson Lab CEBAF accelerator delivered its first greater than 6 GeV beam on target following its 12 GeV Upgrade on April 1, 2014. This graph shows data that were collected from the short run. The electrons shown were measured in Hall A's right High Resolution Spectrometer after impinging on nuclei in the carbon target. Credit DOE's Jefferson Lab Usage Restrictions Images from Jefferson Lab that are in the public domain may be used without permission. If you use a Jefferson Lab image, it is requested that you credit Jefferson Lab as the source. If Jefferson Lab material is used for commercial purposes, especially including advertisements, it must not explicitly or implicitly convey Jefferson Lab's endorsement of commercial goods or services. If a Jefferson Lab image includes an identifiable person, using the image for commercial purposes may infringe on that person's right of privacy and permission should be obtained from the person. As a courtesy, you can inform Jefferson Lab of your intended use of a photo by sending an email to firstname.lastname@example.org. Share Print E-Mail 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.