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  • One of the principal challenges of QCD is to bridge the small- and large-scale behavior of the strong nuclear interactions. At short distances, perturbative QCD is very successful in describing nucleon structure in terms of quarks and gluons. At large distances, the effects of confinement impose a more efficient description in terms of collective hadron degrees of freedom. Despite this apparent dichotomy, an intriguing connection has been observed between the low- and high-energy data on nucleon structure functions, which is referred to as "quark-hadron duality."

  • Jefferson Lab has four experimental halls. Hall A is the largest of these four experimental staging areas. It is 174 feet across and 80 feet tall from the floor to the highest spot on its domed ceiling. The foundation for the hall is 35 feet below ground.

    Hall A is outfitted with two primary detector systems – both high-resolution spectrometers, each weighing about 3 million pounds or 1,500 short tons. The hall is used primarily for experiments that study the structure of the nucleus and the protons and neutrons it contains.

  • Memos & Information

  • Jefferson Lab has four experimental halls. Hall C is 150 feet in diameter and 60 feet tall.

    Hall C houses two large spectrometers, the High Momentum Spectrometer and the new Super High Momentum Spectrometer.  The hall also provides space for temporary installation of other detectors such as the Neutral Particle Spectrometer and the Large Acceptance Detector.

    The research equipment in Hall C is used to study form factors and 3-D structure of simple quark systems, and short range structure in nuclei.

  • Theory and experiment combine to provide the most precise empirical extraction of the proton’s tensor charge, a fundamental property of the proton.

  • Scientists have made a new measurement that represents a breakthrough in their understanding of the proton’s mass.

  • Thomas Jefferson National Accelerator Facility is a U.S. Department of Energy Office of Science national laboratory. Jefferson Lab's unique and exciting mission is to expand our knowledge of the universe by studying the basic building blocks of matter within the nucleus: subatomic particles known as quarks and gluons.

  • Jefferson Lab Special Topic Fellowships

    APPLICATIONS ARE OPEN For 2024

    The EIC Center at Jefferson Lab, EIC2, is pleased to announce opportunities for graduate and post-doctoral fellowships.

    These fellowships will be awarded to fund coming to Jefferson Lab to research a special topic.  The current areas of research include theory, simulations, detectors, and computing as they relate to the EIC, Positrons or the proposed JLab 22 GeV upgrade. Each fellowship will provide travel to Jefferson Lab, housing and a per diem for a typical stay of ten weeks at the lab.

    Eligible students must be enrolled full-time in a relevant doctoral program. Postdocs must have a full-time position with a relevant university or laboratory research program. . The awardees may not concurrently hold another major full-time fellowship or internship.  The award is limited to once a year though awardees can reapply for an additional year.

    To apply, a research plan must be provided according to the guidance provided below. The plan should be written by the applicant together with their university or laboratory advisor. The plan should contain clear goals and deliverable to be accomplished by the end of the Fellowship visit.   Working with a Jefferson Lab staff member is encouraged. 

    The applications will be evaluated on an ongoing basis according to the following criteria:

    • Merit and quality of proposed research
    • Relevance of the proposed research to the Electron-Ion Collider, Positron Program and/or 22 GeV Upgrade
    • Likelihood that the proposed research can be successfully accomplished within the Fellowship period.
    • Letters of recommendation.

    The following application will be reviewed on an rolling basis.

    • Proposed research plan as described above. Maximum 3 pages with 11-point type.
    • CV of the candidate
    • At least one letters of recommendation is strongly encouraged

    The application materials must be sent by email to Patricia Cheeseboro <pcheese@jlab.org>. 

     

    Inquiries about the fellowship program should be directed to: Douglas Higinbotham (doug@jlab.org)

    Press releases about past winners of the program can be found at the following links:

    2023 Fellowship Recipients

    2021 Fellowship Recipients

    2020 Fellowship Recipients

    2019 Fellowship Recipients

    2018 Fellowship Recipients