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Seen is a wide angle photo of the CEBAF Large Acceptance Spectrometer located inside experimental Hall B at Jefferson Lab in Newport News, Va., on Wednesday March, 29, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Hall B is the site of the CEBAF Large Acceptance Spectrometer called CLAS12. Powerful magnets steer the electron beam into a target in the experimental hall. The beam's individual electrons smash into the protons and neutrons inside the nuclei of atoms in the target. These violent collisions produce new particles; heavier versions of the familiar protons and neutrons as well a whole variety of intermediate mass particles called "mesons". The outgoing electron that collided with the target nucleus, as well as the produced particles, go flying out into our detector, where they're measured.
Our job as particle physicists is to use these measurements to try to deduce the underlying structure of protons and neutrons in the target and to try to understand the forces that create these particles.
Members of the Virginia Tech Board of Visitors take a tour of the Department of Energy's Thomas Jefferson National Accelerator Facility (Jefferson Lab) on Monday, Aug. 22, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Members of the Virginia Tech Board of Visitors take a tour of the Department of Energy's Thomas Jefferson National Accelerator Facility (Jefferson Lab) on Monday, Aug. 22, 2022. Superconducting radiofrequency (SRF) Operations Manager Tony Reilly, left, chats and answers questions with visitors during the tour. (Photo by Aileen Devlin | Jefferson Lab)
An overhead view of Experimental Hall C at Jefferson Lab in Newport News, Va., on Wednesday, Jan. 20, 2024. (Aileen Devlin | Jefferson Lab)
Hall C is 150 feet in diameter and 60 feet tall. Hall C houses a High Momentum Spectrometer and has been used extensively for large-installation experiments. These are stand-alone experiments requiring unique or highly specialized detectors, magnets and targeting systems.
Experiments run in Hall C have covered a broad spectrum of topics, including the structure of pions, kaon particle production, excited states of the proton, and duality.
Ocean Lakes High School Team Two react during the Virginia Regional High School Science Bowl held at Jefferson Lab in Newport News, Va., on Saturday, Feb. 3, 2024. (Aileen Devlin | Jefferson Lab)
The U.S. Department of Energy (DOE) National Science Bowl® is a nationwide academic competition that tests students’ knowledge in all areas of science and mathematics. Middle and high school student teams from diverse backgrounds are comprised of four students, one alternate, and a teacher who serves as an advisor and coach. These teams face-off in a fast-paced question-and-answer format, being tested on a range of science disciplines including biology, chemistry, Earth science, physics, energy, and math.
University of Paris-Saclay postdoc Pierre Chatangnon presets “How Strong is the Strong Force” during the Quark Tank competition held at Jefferson Lab in Newport News, Va., on Friday, Oct. 6, 2023. (Aileen Devlin | Jefferson Lab)
This event is JLab’s version of "Shark Tank" - Quark Tank! SLAM is short-talk competition challenging post-doc contestants to present a compelling 3-minute presentation on their research that a non-specialist can understand.
The winner will be Jefferson Lab's representative that will compete against contestants from the sixteen other national labs on Capitol Hill in Washington, D.C., on Nov. 15. There, contestants will educate U.S. government policymakers and their staff about the key role our labs play in the nation's innovation ecosystem and their impact on the nation.
A wide-angle shot of the SNS-PPU CM-08 cryomodule—which will be delivered for Oak Ridge National Lab’s Spallation Neutron Source (SNS) Proton Power Upgrade (PPU)—inside the SRF Test Lab at Jefferson Lab in Newport News, Va., on Friday Dec. 15, 2023. (Aileen Devlin | Jefferson Lab)
The Spallation Neutron Source and High Flux Isotope Reactor user facilities at ORNL enable scientists to employ the unique properties of neutrons to advance scientific discovery and address some of the most pressing challenges of our time. The Proton Power Upgrade project will double the power capability of the Spallation Neutron Source linear accelerator, from 1.4 to 2.8 megawatts, to facilitate new types of experiments and discoveries.
Yellow flowers bloom near the Central Helium Liquefier (CHL) helium tanks on the campus of Jefferson Lab in Newport News, Va., on Thursday, June 15, 2023. (Aileen Devlin | Jefferson Lab)
North American Young Generation in Nuclear (NAYGN) conference attendees listen as Staff Scientist II Ryan Bodenstein, right, gives a tour of the CEBAF Accelerator Tunnel at Jefferson Lab in Newport News, Va., Aug. 8, 2024. (Lindsay Cunningham | Jefferson Lab)
Food catered by MoMo’s Cafe for Jefferson Lab in Newport News, Va., on Friday, Mar. 24, 2023. (Photo by Aileen Devlin | Jefferson Lab)
SRF Cavity Assembly Technicians Juan Jordan, left, and Tashawn Smith, right, work to get an individual cavity placed in the Vertical Attachment area at Jefferson Lab in Newport News, Va., on Thursday, Feb. 23, 2023. (Photo by Aileen Devlin | Jefferson Lab)
A niobium cavity assembled inside the main Clean Room of the SRF Test Lab at Jefferson Lab on Wednesday, Dec. 14, 2022. (Photo by Aileen Devlin | Jefferson Lab)
SRF Cavity Assembly Technicians Tashawn Smith, left, and Juan Jordan, right, move an individual cavity to be placed in the Vertical Attachment area at Jefferson Lab in Newport News, Va., on Thursday, Feb. 23, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Virginia Regional High School Science Bowl held at Jefferson Lab in Newport News, Va., on Saturday, Feb. 3, 2024. (Aileen Devlin | Jefferson Lab)
The U.S. Department of Energy (DOE) National Science Bowl® is a nationwide academic competition that tests students’ knowledge in all areas of science and mathematics. Middle and high school student teams from diverse backgrounds are comprised of four students, one alternate, and a teacher who serves as an advisor and coach. These teams face-off in a fast-paced question-and-answer format, being tested on a range of science disciplines including biology, chemistry, Earth science, physics, energy, and math.
Members of the Virginia Tech Board of Visitors take a tour of the Department of Energy's Thomas Jefferson National Accelerator Facility (Jefferson Lab) on Monday, Aug. 22, 2022. Staff Scientist and Hall D Leader, Eugene Chudakov, discusses what research is conducted inside Hall D with attendees. (Photo by Aileen Devlin | Jefferson Lab)
Sustainability Program Lead Aubrie Davie at the Earth Day clean up event at Newport News, Va., on Thursday, April 18, 2024. (Emily Perdue | Jefferson Lab)
The site of the Nordic Institute for Theoretical Physics and the Niels Bohr Institute was once the epicenter of the quantum revolution
Scenes from the 2023 Jefferson Lab Run-A-Round held at the Newport News campus on Wednesday, May 18, 2023. (Photo by Stephanie White | Jefferson Lab)
Seen is an overall photograph of the electron gun and the superconducting cryogenics unit inside the Low Energy Recirculator Facility (LERF) on Thursday, Sept. 14, 2023. (Aileen Devlin | Jefferson Lab)
Jefferson lab is developing a plan for future utilization of this facility in a manner that is of maximum benefit to the mission of the laboratory and of the nation.
Members of the Virginia Tech Board of Visitors take a tour of the Department of Energy's Thomas Jefferson National Accelerator Facility (Jefferson Lab) on Monday, Aug. 22, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Members of the Virginia Tech Board of Visitors take a tour of the Department of Energy's Thomas Jefferson National Accelerator Facility (Jefferson Lab) on Monday, Aug. 22, 2022. Senior Staff Scientist and Director of the Machine Control Center (MCC) Mike Spata, right, shares details of the control center with visiting boards members. (Photo by Aileen Devlin | Jefferson Lab)
Trees begin to bloom for spring on top of the “mounds” at Jefferson Lab in Newport News, Va., on Wednesday, March 13, 2024. (Aileen Devlin | Jefferson Lab)
The “mounds” are a layer of earth over three of the lab's four experimental halls, naturally providing radiation shielding and protection from environmental impacts.
United States Department of Energy’s 14th Secretary of Energy, from 2017 to 2019, Rick Perry visits Jefferson Lab in Newport News, Va., on Feb. 21, 2018. (Jefferson Lab)
North American Young Generation in Nuclear (NAYGN) conference attendees listen as Staff Scientist II Ryan Bodenstein, center, gives a tour of the CEBAF Accelerator Tunnel at Jefferson Lab in Newport News, Va., Aug. 8, 2024. (Lindsay Cunningham | Jefferson Lab)
From left: Hall B Physicist Latifa Elouadrhiri, Staff Scientist Election Ion Collider (EIC) Francois-Xavier Girod-Gard and Staff Scientist Volker Burkert pose for photograph inside the Experimental Hall B counting house at Jefferson Lab in Newport News, Va., on Wednesday March 13, 2024. (Photo by Aileen Devlin | Jefferson Lab)
Long-anticipated experiments that use light to mimic gravity are revealing the distribution of energies, forces and pressures inside a subatomic particle for the first time. (Text by Charlie Wood | Quanta Magazine)
A radioactive material sign is seen on a magnet at Jefferson Lab in Newport News, Va., on Thursday, Sept. 14, 2023. (Aileen Devlin | Jefferson Lab)
Members of the Virginia Tech Board of Visitors take a tour of the Department of Energy's Thomas Jefferson National Accelerator Facility (Jefferson Lab) on Monday, Aug. 22, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Members of the Virginia Tech Board of Visitors take a tour of the Department of Energy's Thomas Jefferson National Accelerator Facility (Jefferson Lab) on Monday, Aug. 22, 2022. (Photo by Aileen Devlin | Jefferson Lab)
A dipole magnet is seen inside the Continuous Electron Beam Accelerator Facility located at Jefferson Lab in Newport News, Va., on Thursday, Aug. 17, 2023. (Aileen Devlin | Jefferson Lab)
Members of the Virginia Tech Board of Visitors take a tour of the Department of Energy's Thomas Jefferson National Accelerator Facility (Jefferson Lab) on Monday, Aug. 22, 2022. Senior Staff Scientist and Director of the Machine Control Center (MCC) Mike Spata shares details of the control center with visiting boards members. (Photo by Aileen Devlin | Jefferson Lab)
Students Dominic Weir, Austin Mao, Meilin Ranjan, Sam Kidd from Ocean Lakes High School competing in the first elimination round for the Science Bowl which was held at Jefferson Lab in Newport News, Va., on Saturday February 3, 2024. (Emily Perdue | Jefferson Lab).
The U.S. Department of Energy (DOE) National Science Bowl is a nationwide academic competition that tests students’ knowledge in all areas of science and mathematics.
SRF Cavity Assembly Technician Juan Jordan works to get an individual cavity placed in the Vertical Attachment area at Jefferson Lab in Newport News, Va., on Thursday, Feb. 23, 2023. (Photo by Aileen Devlin | Jefferson Lab)
From left: Hall D Engineering Staff Scientist Vladimir Berdnikov, Staff Scientist Alexander “Sasha” Somov, Undergraduate student from Wuhan University Aoran Liu, Staff Scientist Simon Taylor, Hall D Researcher Arshak Asaturyan, and Researcher Hakob Voskanyan pose for a group photo within the PrimEx detector upgrade for the Forward Calorimeter inside Experimental Hall D located at Jefferson Lab in Newport News, Va., on Tuesday. Sept. 5, 2023. (Aileen Devlin | Jefferson Lab)
Member of the Experimental Hall C winter collaboration meeting pose for a group photo at Jefferson Lab in Newport News, Va., on Tuesday, Jan. 16, 2024. (Emily Perdue | Jefferson Lab)
Calorimeter modules are reinstalled into the Forward Calorimeter during the PrimEx detector upgrade for Experimental Hall D located at Jefferson Lab in Newport News, Va., on Tuesday. Sept. 5, 2023. (Aileen Devlin | Jefferson Lab)
From left: Hall B Physicist Latifa Elouadrhiri, Staff Scientist Election Ion Collider (EIC) Francois-Xavier Girod-Gard and Staff Scientist Volker Burkert pose for photograph inside Experimental Hall B at Jefferson Lab in Newport News, Va., on Wednesday March 13, 2024. (Photo by Aileen Devlin | Jefferson Lab)
Long-anticipated experiments that use light to mimic gravity are revealing the distribution of energies, forces and pressures inside a subatomic particle for the first time. (Text by Charlie Wood | Quanta Magazine)
Members of the Virginia Tech Board of Visitors take a tour of the Department of Energy's Thomas Jefferson National Accelerator Facility (Jefferson Lab) on Monday, Aug. 22, 2022. (Photo by Aileen Devlin | Jefferson Lab)
Staff Scientist II Ryan Bodenstein gives a presentation for the USPAS Tour at Jefferson Lab in Newport News, Va., on Saturday Jan. 27, 2024. (Emily Perdue | Jefferson Lab).
A deer stands behind silhouetted tree branches on Jefferson Lab’s campus in Newport News, Va., on Wednesday, Jan. 10, 2024. (Aileen Devlin | Jefferson Lab)
A small herd of deer walk along Jefferson Lab’s campus in Newport News, Va., on Wednesday, Jan. 10, 2024. (Aileen Devlin | Jefferson Lab)
Workshop on Sustainable Software Infrastructure for Advanced Nuclear Physics Computing members pose for a group photos at Jefferson Lab in Newport News, Va., on Thursday, June 20, 2024. (Aileen Devlin | Jefferson Lab)
Students Dominic Weir, Austin Mao, Meilin Ranjan, Sam Kidd from Ocean Lakes High School competing in the first elimination round for the Science Bowl which was held at Jefferson Lab in Newport News, Va., on Saturday February 3, 2024. (Emily Perdue | Jefferson Lab).
The U.S. Department of Energy (DOE) National Science Bowl is a nationwide academic competition that tests students’ knowledge in all areas of science and mathematics.
Food catered by MoMo’s Cafe for Jefferson Lab in Newport News, Va., on Friday, Mar. 24, 2023. (Photo by Aileen Devlin | Jefferson Lab)
Local residents from Hampton Roads, Virginia spent the day touring a Department of Energy national laboratory and learned about physics during the 2024 Jefferson Lab Open House held in Newport News, Va., on Saturday, June 8, 2024. (Aileen Devlin | Jefferson Lab)
The event provides the public with an ideal opportunity to explore this world-class research facility and features entry into research areas; demonstrations; and numerous exhibits and hands-on activities. During your visit, you can learn about superconducting materials, supercomputers, particle accelerators, particle detectors, nuclear physics research and much more!