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  • Exploring the Nature of Matter

    Plans and proposals for the next, great physics machine for studying the intrinsic bits of everyday matter are starting to form. The proposed Electron-Ion Collider could ensure that the cutting-edge science that has kept Jefferson Lab and the United States at the frontier of nuclear physics research for 25 years will continue for decades to come.

  • The next large nuclear physics research facility being proposed to the DOE for construction is an Electron-Ion Collider (EIC). An EIC could provide unique capabilities for the study of Quantum Chromodynamics (QCD), the theory that describes how quarks and gluons build protons, neutrons and nuclei. In March 2013, NSAC ranked an EIC as “absolutely central” in its ability to contribute to world-leading science research. Two facilities, Jefferson Lab and Brookhaven National Lab in New York, are developing facility concepts.

  • A Jefferson Lab EIC would accelerate two beams of sub-atomic particles to nearly the speed of light before slamming the beams together. A stream of electrons and a stream of protons or ions would collide at two interaction points. These interaction points will be surrounded by large detectors, which will record the results of these interactions for scientists to interpret.

  • Building an Electron-Ion Collider at Jefferson Lab would capitalize on the lab’s existing Continuous Electron Beam Accelerator Facility and on the lab’s expertise in designing and building particle accelerators. The essential new elements of an EIC facility at Jefferson Lab would include an electron storage ring and an entirely new, modern ion acceleration and storage complex that would be constructed in a large-scale civil engineering project.

  • The Electron-Ion Collider is considered to be essential to the United States’ ability to contribute to world-leading scientific research. Researchers hope such a machine can help answer fundamental questions about ordinary matter, revealing for the first time and in detail how matter’s smallest building blocks and nature’s universal forces combine to build our visible universe.

  • Working Together
    October 7, 2014

  • Fall Run
    September 8, 2014

  • You will recall that in the fall of 2015, I wrote a Montage about the intent to develop an Integrated Diversity and Inclusion program. The Diversity and Inclusion Council, under Chairpersons Mary Logue and Rolf Ent, has been working in collaboration with the Public Affairs office on several initiatives, which will soon go public. One of the very interesting but pernicious effects which, to a greater or lesser degree, we all are susceptible to is implicit bias. We are also looking to provide training for supervisors and also to enhance the information provided to people involved in the hiring process, which would include cultural context, gender communications, as well as implicit bias.

  • Our upgrade project is called the 12 GeV CEBAF Upgrade Project.

    At the time CD-4A was achieved, we demonstrated 2.2 GeV per pass. This was 12 GeV! Well, not quite. In fact with more than one pass, we limited ourselves to a little more than 6 GeV with three passes, and to 10.5 GeV with 5.5 passes. It was not felt to be prudent to demand 12 GeV out of the machine immediately after turn on.

  • France and the French have been involved in this local area for a number of years. In 1781, the French Army, led by Compte de Rochambeau, helped the Continental Army of George Washington defeat the British in the Siege of/Battle of Yorktown. While my sentiments with respect to that event are mixed, I have no such equivocation with respect to Thursday’s event.