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  • JLab Implementing MEDCON 5 Precautions Starting Tuesday, March 17 (msg.6)

     

    Posted on behalf of Lab Director, Stuart Henderson
     

    The growing number of COVID19 cases in our region, particularly James City County, requires more aggressive action to protect our employees, their families, our Users, visitors, and the community. At the recommendation of the Jefferson Lab Pandemic Advisory Team we are implementing MEDCON 5 effective today, Monday, March 16.

  • 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.

  • Nuclear theorists put pen to paper and code to computer to detail a subatomic particle’s inner structure.

  • Physicists develop a universal function that suggests that proton-neutron pairs in the nucleus may explain why quarks inside nuclei have lower average momenta than predicted.

  • Built with detector technologies used in nuclear physics experiments, the system monitors radiation treatments in hard-to-reach areas.

  • LDRD Home

     

     

    What is Laboratory Directed Research and Development?.

  • A new study has confirmed that increasing the number of neutrons as compared to protons in the atom’s nucleus also increases the average momentum of its protons.

  • The determination of the pressure distribution inside the proton is the first measurement of a mechanical property of a subatomic particle. The measurement found that the proton’s building blocks, quarks, are subjected to a pressure of 100 decillion Pascal (1035) near the center of a proton, which is about 10 times greater than the pressure in the heart of a neutron star.

  • The weak force is one of the four fundamental forces in our universe, along with gravity, electromagnetism and the strong force. Researchers have made the first experimental determination of the weak charge of the proton, a measure of the precise strength of the weak force’s influence on the proton.

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