Jefferson Lab Hall A (image) DOE/Thomas Jefferson National Accelerator Facility Share Print E-Mail Caption This is one of the four experimental halls at the US Department of Energy's Jefferson Lab. Hall A features two High Resolution Spectrometers (tall structures, each with white doors at the top) for nuclear and particle physics experiments. 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 that person's right of privacy or publicity, 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.