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  • Status

    Status

    More information about the status of an electron-ion collider can be found in the documents linked below. In 2018, the National Academies of Sciences, Engineering and Medicine issued a report, “An Assessment of U.S.-Based Electron-Ion Collider Science.” Following the report, the directors of Thomas Jefferson National Accelerator Facility and Brookhaven National Laboratory issued a joint statement of support. More information about the impetus for building an electron-ion collider can be found in the 2015 Long-Range Plan, issued by the Nuclear Science Advisory Committee..

     

  • Benefits

    Benefits

    Beyond sparking scientific discoveries in a new frontier of fundamental physics, an Electron-Ion Collider will trigger technological breakthroughs that have broad-ranging impacts on human health and national challenges. Research on the technologies needed to make this machine a reality is already pushing the evolution of magnets and other particle accelerator components. 
     
    Some of these advances could lead to energy-efficient accelerators, thereby dramatically shrinking the size and operating costs of accelerators used across science and industry for example, to make and test computer chips; to deliver energetic particle beams to zap cancer cells; to study and design improved sustainable energy technologies such as solar cells, batteries, and catalysts; and to develop new kinds of drugs and other medical treatments. New methods of particle detection developed for an EIC could also lead to advances in medical imaging and national security. 
     
    In truth, it’s nearly impossible to predict what will come from the knowledge gained from an EIC. History shows that applications springing from a deeper understanding of matter and fundamental forces things like GPS, microelectronics, and radiological techniques for diagnosing and treating disease often emerge many years after the foundational physics discoveries that make them possible. 
     
    But one thing is certain: Building the experiments that inspire and train the next generation of scientific explorers is essential for maintaining U.S. leadership in nuclear science and for developing the high-tech workforce needed to address some of our nation’s deepest challenges.

     

  • Design

    Design

    "Design"

    The Electron-Ion Collider would consist of two intersecting accelerators, one producing an intense beam of electrons, the other a beam of either protons or heavier atomic nuclei, which are then steered into head-on collisions.

    The accelerators will be designed so that both beams can be polarized to around 70 percent for electrons, protons and light nuclei. Electrons will be able to probe particles from protons to the heaviest stable nuclei at a very wide range of energies, starting from 20–100 billion electron-volts (GeV), upgradable to approximately 140 GeV, to produce images of the particles’ interiors at higher and higher resolution. At least one detector and possibly more would analyze thousands of particle collisions per second, amassing the data required to tease out the smallest effects required for significant discoveries.

    Building the EIC will require the same core expertise that led to the versatility of the polarized proton and heavy ion beams at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory, and the unique polarized electron beam properties of the Continuous Electron Beam Accelerator Facility (CEBAF) at Thomas Jefferson National Accelerator Facility. These two Department of Energy laboratories have been collaborating on initial studies and developing designs that make use of key existing infrastructure and capitalize on investments in science and technology. Each design approach would require the development of innovative accelerator and detector technologies to answer the questions described in this brochure.

     

  • Goals

    Goals

    There are many scientific questions that researchers expect an Electron-Ion Collider will allow them to answer. Among them are four main topics of study. 

     

    3D Structure of Protons and Nuclei
    3D Structure of Protons and Nuclei
    Scientists would use the Electron-Ion Collider to take three-dimensional precision snapshots of the internal structure of protons and atomic nuclei. As they pierce through the larger particles, the high-energy electrons will interact with the internal microcosm to reveal unprecedented details—zooming in beyond the simplistic structure of three valence quarks bound by a mysterious force. Recent experiments indicate that gluons—the glue-like carriers of the strong nuclear force that binds quarks together—multiply and appear to linger within particles accelerated close to the speed of light, and play a significant role in establishing key properties of protons and nuclear matter. By taking images at a range of energies, an EIC will reveal features of this “ocean” of gluons and the “sea” of quark-antiquark pairs that form when gluons split—allowing scientists to map out the particles’ distribution and movement within protons and nuclei, similar to the way medical imaging technologies construct 3D dynamic images of the brain. These studies may help reveal how the energy of the massless gluons is transformed through Einstein’s famous equation, E=mc2, to generate most of the mass of visible matter.
    Solving the Mystery of Proton Spin
    Solving the Mystery of Proton Spin
    The Electron-Ion Collider would be the world’s first polarized electron-proton collider where both the electron and proton beams have their spins aligned in a controllable way. This polarization makes it possible to make precision measurements of how a proton’s constituent quarks and gluons and their interactions contribute to the proton’s intrinsic angular momentum, or spin. Spin influences the proton’s optical, electrical, and magnetic characteristics and makes technologies such as MRI scanning work, but its origin has eluded physicists ever since experiments in the 1980s revealed that quarks can account for only about a third of the total spin. More recent experiments show that gluons make a significant contribution, perhaps even more than the quarks. An Electron-Ion Collider would produce definitive measurements of the gluons’ contributions, including how their movements within the proton microcosm affect its overall spin structure—thus providing the final pieces needed to solve this longstanding puzzle.
    Search for Saturation
    Search for Saturation
    Capturing the dynamic action of gluons within protons and nuclei will give scientists a way to test their understanding of these particles’ ephemeral properties. As gluons flit in and out of the vacuum, multiplying and recombining, scientists suspect they may reach a steady state of saturation called a “color glass condensate.” This unique form of nuclear matter gets its name from the “color” charges that mediate the interactions of the strong nuclear force, and the dense, glasslike walls these particles are thought to form in nuclei accelerated to nearly the speed of light, seemingly suspended by the effects of time dilation. Scientists will use the Electron-Ion Collider to search for definitive proof of whether this form of matter exists, and test the limits of gluons’ ability to expand beyond the bounds of a single proton/ neutron inside a nucleus. They’ll also explore the mechanism that keeps gluon growth in check, like a lid clamping down on an overflowing popcorn pot. Precisely measuring the strength of the gluon fields, which constitute the strongest fields found in nature, will tell us how gluons interact with each other and how they contribute to building the bulk of visible matter in the universe today.
    Quark and Gluon Confinement
    Quark and Gluon Confinement
    Experiments at an EIC would offer novel insight into why quarks or gluons can never be observed in isolation, but must transform into and remain confined within protons and nuclei. The EIC—with its unique combinations of high beam energies and intensities—would cast fresh light into quark and gluon confinement, a key puzzle in the Standard Model of physics.
  • About

    About

    The Electron-Ion Collider is a proposed machine for delving deeper than ever before into the building blocks of matter, so that we may better understand the matter within us and its role in the universe around us.

    Learn more about this first-of-its-kind machine in the documents linked below.

     

  • Creative Energy. Supercharged with Science.

    Accelerate your career with a new role at the nation's newest national laboratory. Here you can be part of a team exploring the building blocks of matter and lay the ground work for scientific discoveries that will reshape our understanding of the atomic nucleus. Join a community with a common purpose of solving the most challenging scientific and engineering problems of our time.

     

    Title Job ID Category Date Posted
    ES&H Inspection Program Lead 13323 Environmental Safety
    Data Center Operations Manager 13327 Engineering
    Master HVAC Technician 13367 Misc./Trades
    Data Scientist Postdoc 13342 Science
    Hall A Technologist/Design Drafter 13285 Engineering
    Electrical Engineer (Sustainability) 13364 Engineering
    Finance Business Manager 13365 Accounting
    HPDF Project Director 13373 Computer
    SRF Production Chemistry Supervisor 13386 Technology
    Communications Office Student Intern 13310 Public Relations
    Project Controls Analyst 13302 Clerical/Admin
    Magnet Group Mechanical/Electrical Designer 13388 Misc./Trades
    DC Power Group Leader 13380 Engineering
    Accounts Payable Assistant 13397 Accounting
    SRF Accelerator Physicist 13359 Science
    MPGD Development Physicist 13381 Science
    Business IT Portfolio Manager 13374 Computer
    IT Project Manager 13340 Clerical/Admin
    Geant4 Developer 13214 Computer
    ES&H Department Head 13338 Engineering
    Lead Magnet Engineer 13366 Engineering
    Magnet Group Staff Engineer 13370 Engineering
    Deputy CNI Manager 13378 Computer
    Hall D Electronics Technician 13334 Misc./Trades
    Software Administrator - Facilities Management/Integration 13395 Computer
    Project Services and Support Office Manager 13330 Management
    High Throughput Computing (HTC) Hardware Engineer 13197 Computer
    CIS Postdoctoral Fellow 13102 Science
    Storage Solutions Architect 13238 Computer
    Mechanical Engineer III 13140 Engineering
    Scientific Data and Computing Department Head 13383 Computer
    Vacuum Engineer 13396 Engineering
    Survey and Alignment Technician (Metrology) 13385 Misc./Trades
    Multimedia Intern 13215 Public Relations
    DC Power Systems Electrical Engineer 13371 Engineering
    RadCon Manager 13337 Environmental Safety

    A career at Jefferson Lab is more than a job. You will be part of “big science” and work alongside top scientists and engineers from around the world unlocking the secrets of our visible universe. Managed by Jefferson Science Associates, LLC; Thomas Jefferson National Accelerator Facility is entering an exciting period of mission growth and is seeking new team members ready to apply their skills and passion to have an impact. You could call it work, or you could call it a mission. We call it a challenge. We do things that will change the world.

    Welcome from Stuart Henderson, Lab Director
    Why choose Jefferson Lab
    • PASSION AND PURPOSE
      Middle School Science Bowl competitors huddle together to brainstorm the answer.
    • PASSION AND PURPOSE
      Local teachers share ideas for a classroom activity with other teachers during Teacher Night.
    • PASSION AND PURPOSE
      Two young learners hold up a model of the atom during Deaf Science Camp.
    • PASSION AND PURPOSE
      Staff Scientist Douglas Higinbotham snaps a selfie with some of the postdoc students he is mentoring.

    At Jefferson Lab we believe in giving back to our community and encouraging the next generation of scientists and engineers. Our staff reaches out to students to advance awareness and appreciation of the range of research carried out within the DOE national laboratory system, to increase interest in STEM careers for women and minorities, and to encourage everyone to become a part of the next-generation STEM workforce. We are recognized for our innovative programs like:

    • 1,500 students from 15 Title I schools engage in the Becoming Enthusiastic About Math and Science (BEAMS) program at the lab each school year.

    • 60 teachers are enrolled in the Jefferson Science Associates Activities for Teachers (JSAT) program at the lab inspiring 9,000 students annually.

    • 24 high school students have internships and 34 college students have mentorships at the lab.

       

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    Meet our people
    • Will Brooks, JLUO Chair

      Jefferson Lab's Newest Users Group Chair Uses Science to Strengthen Economy of Chile

      Experimental physicist and new Jefferson Lab Users Organization Chair Will Brooks has chased scientific answers around the world — pursuing opportunities to lead projects on three continents and in five labs. His research has a profound impact not only on the scientific community, but also on the economies of the countries in which he researches.

      Brooks’ curriculum vitae is a concise 19 pages long, packed with vital information on six projects for which he is spokesman at the lab, five collaboration memberships, 18 grants he has been awarded since 2008 and just a sprinkling of titles of more than 900 of his publications in peer-reviewed journals and more than 90 publications in higher-impact-factor journals, including 91 in Physical Review Letters, two in Science, and one in Nature.

      Add those projects to the roles Brooks holds on two continents and it becomes a mystery how he finds time to sleep; Brooks is a founding member of the Board of Directors of Chile’s Valparaíso Center for Science and Technology, Director of the “Institute for Advanced Studies in Science and Engineering,” and a professor of physics and experimental group leader for High Energy Nuclear and Particle Physics at the Technical University of Federico Santa Maria, where he has previously served as Director of Research Ring multidisciplinary project, “Experiments on Hadrons with Electroweak Probes: Fundamental Physics and Technology Development.”

      Still, the list of Brooks’ achievements continues; he holds two U.S. patents and the honorary position of affiliate professor with the Department of Physics at the University of New Hampshire. He has outdone himself since earning his Ph.D. from Duke University in 1988.

      Yet, what may seem like a mindbogglingly dense career is simply the result of well-planned projects that ultimately tie together, according to Brooks.

      “I’m interested in the breadth of science,” Brooks says. “I’m interested in how interconnected things can be, so while I’m working on multiple projects at once, they are all connected. That’s one of my favorite aspects of the work I’m doing. It connects experiments done at Jefferson Lab, LHC (the Large Hadron Collider at CERN), Brookhaven and Fermilab.”

      Brooks’ Big Collection of Projects

      Brooks explains that his strategy for maximizing efficiency is to study one topic in a variety of ways and with other researchers who have complementary projects.

      “The science topic is the same or similar in everything that I do so what I learn in one area has an impact in other areas. It looks like a big collection or theme,” he explains.

      Regarding the theme of his research, Brooks says, “I’m interested in what happens when you give a quark a lot of energy in the scattering process. If you hit it with a baseball bat, what happens? You hit a pumpkin with a bat, it makes a mess and flies away. With a quark, it tries to fly away and it makes more quarks on that tiny scale. So that process fascinates me. Normally, when you hit the quark with the bat, a really long time later you have some new particle. You put a lot of energy into the system, you end up with more particles than you started with. What I like to do is implant that whole process inside an atomic nucleus. Then, you can study these processes on short distance scales by forcing the whole thing to pass through a nucleus and then interact with a nucleus. It’s like the nucleus is the analyzer for the quark you hit with the baseball bat.”

      Connection Between Science and Economic Prosperity

      Just as Brooks enjoys seeing the connection between various aspects of science, his research has also enabled him to have a direct, positive impact on an entire nation’s economy. Since 2008, Brooks has been developing the physics department at the Technical University of Santa Maria in Chile and is part of a group preparing to build an international underground lab that is expected to strengthen economic and political bonds between Chile and its neighbors.

      “It’s extremely well documented that the more scientific research is done in a country, the more economic prosperity occurs,” he says. “That’s partly why I’m here in Chile. Chile is classified as a developing country. One of the things that drew me here is that the government of Chile is convinced that scientific research and achievement has a positive impact on the economy. They have poured money into science and technology programs. There’s a huge opportunity to increase scientific literacy…it’s easy to make a big impact.”

      One of those programs is the underground lab that will be built alongside a transportation tunnel in the Andes mountain range between Chile and Argentina.

      “The reason for the underground lab’s location is because there is a planned truck tunnel through the mountains,” Brooks explains. “It will cost one billion dollars to construct the tunnel. That’s too costly to build just for the lab, but if we create the lab as a side chamber on this existing construction project, it will only cost 40 million dollars.”

      While the construction of the underground lab is driven by commercial interest to have the tunnel, it will also strengthen political bonds between neighboring nations.

      “The lab will be a cooperation between Chile, Argentina, and two other counties,” says Brooks. “It’s an international effort. International scientific projects help bond countries together and help to avoid conflict between them. This is a story that we have seen many times. All neighbors fight with each other. This project will strengthen ties between those countries.”

      Underground Lab Could Result in Ground-breaking Discoveries

      The underground lab could also lead to break-through discoveries. Once the lab is built, it will be one of the deepest in the world . “With this underground lab, you would enter the tunnel at 4,000 meters above sea level, and by the time you go through the Andes mountains, there will be a lot of rock overhead, so it will be equivalent to being almost the deepest lab in the world,” Brooks says.

      “The underground labs are for experiments that need a lot of sensitivity,” explains Brooks. “The whole idea of a deep underground lab is to be isolated from all of the things that are making life complicated at the surface of the Earth if you’re trying to measure something that needs a lot of sensitivity.”

      For example, cosmic rays are going through the human body all day and night, and those rays are charged particles. If a researcher is looking for a rare signal, the rays make the environment too busy on the Earth’s surface, so it’s necessary to go deep underground for accurate results.

      Also, Brooks notes, the geographic location of the lab matters.

      “Almost all of the labs are in the northern hemisphere, which could have an impact on experiments — we don’t know. Research in the southern hemisphere matters because there are searches for dark matter candidates that see some day-night variations, and the question is: is that variation because of the direction of the signals you’re getting or is it something else? Is the result weather or geology-related? If you have a sister lab in the southern hemisphere with the same kind of equipment as a lab in the northern hemisphere, you can check to see if the same experiment gets the same result. It’s a way of making a systematic check of variations that depend on the orientation of the Earth.”

      Training the Upcoming Generation of Scientists Is Mutually Beneficial

      To help him manage his multitudes of projects at labs around the world, Brooks relies on the upcoming generation of scientists that he is helping to train.

      “A person like me has experience but only 24 hours a day,” he says. “So, you find young people who are interested in being trained and learning. They do the vast majority of the hands-on work, and they learn from it and you guide them. We have quite a few talented young people working with us, from master’s degree students and undergraduates to postdocs and faculty. They all do a huge amount of the work on these projects, because I am at my limit.”

      Still, despite his multitude of achievements and honors, Brooks insists, “I know busier people than I …and they all work at Jefferson Lab and CERN.”

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    The Jefferson Lab campus is located in southeastern Virginia amidst a vibrant and growing technology community with deep historical roots that date back to the founding of our nation. Staff members can live on or near the waterways of the Chesapeake Bay region or find peace in the deeply wooded coastal plain. You will have easy access to nearby beaches, mountains, and all major metropolitan centers along the United States east coast.

    To learn more about the region and its museums, wineries, parks, zoos and more, visit the Virginia tourism page, Virginia is for Lovers

    To learn more about life at Jefferson Lab, click here.

     

    We support our inventors! The lab provides resources to employees for the development of patented technology -- with over 180 awarded to date! Those looking to obtain patent coverage for their newly developed technologies and inventions while working at the lab are supported and mentored by technology experts, from its discovery to its applied commercialization, including opportunities for monetary awards and royalty sharing. Learn more about our patents and technologies here.

    • Jianwei Qiu
      Jianwei Qiu
      Associate Director For Theoretical And Computational Physics

      "My own research enables me to better lead the Theory Center, to lead our collaboration, to provide good guidance to our junior researchers on the team, and to provide valuable input to the advisory and review committees that I serve"

    • Holly Szumila-Vance
      Holly Szumila-Vance
      Staff Scientist

      "Today, we use a lot of those same teamwork traits [learned from the military] on a daily basis as we're all working toward similar goals here at the lab in better understanding nuclei!"

    • Kim Edwards
      Kim Edwards
      IT Division/Information Resource

      "When I’m 95 years old, I hope I will be one of those people who worked in the background to affect other people’s lives for the better."

    • Scott Conley
      Scott Conley
      Environmental Management Team

      "There is world-class research going on here. Any given day you can be in the room with genius physicists and that’s just amazing.”

    • Welding Program Manager
      Jenord Alston
      Welding Program Manager

      "Everybody in the chain is working towards the same goal: to ensure that everything is built safe and to the code specifications"

    Jefferson Science Associates, LLC manages and operates the Thomas Jefferson National Accelerator Facility. Jefferson Science Associates/Jefferson Lab is an Equal Opportunity and Affirmative Action Employer and does not discriminate in hiring or employment on the basis of race, color, religion, ethnicity, sex, sexual orientation, gender identity, national origin, ancestry, age, disability, or veteran status or on any other basis prohibited by federal, state, or local law.

    If you need a reasonable accommodation for any part of the employment process, please send an e-mail to recruiting @jlab.org or call (757) 269-7100 between 8 am – 5 pm EST to provide the nature of your request.

    "Proud V3-Certified Company"

    A Proud V3-Certified Company
    JSA/Jefferson Lab values the skills, experience and expertise veterans can offer due to the myriad of experiences, skill sets and knowledge service members achieve during their years of service. The organization is committed to recruiting, hiring, training and retaining veterans, and its ongoing efforts has earned JSA/Jefferson Lab the Virginia Values Veterans (V3) certification, awarded by the Commonwealth of Virginia.