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JEFFERSON LAB: JEFFERSON LAB DIRECTOR INCLUDED IN 2021 HAMPTON ROADS POWER LIST

The third time is charming for Stuart Henderson, director of the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility, who has again been named to the 2021 Hampton Roads Power List by Inside Business. According to the Hampton Ro

Physicists have measured an atom s neutron skin for the first time

Sam Barnes/Alamy Physicists have measured the “skin” of an atom for the first time and, perhaps unsurprisingly, it is extremely thin. The measurement may help us understand the properties of neutron stars. Lead-208, an isotope that contains 82 protons and 126 neutrons, has a type of nucleus that physicists refer to as “doubly magic” because both the protons and the neutrons are arranged neatly into shells inside the nucleus. These shells keep the atom relatively stable and make it simpler to experiment on, so when the PREX collaboration at the Thomas Jefferson National Accelerator Facility in Virginia set out to measure neutron skin, they opted to experiment on lead-208.

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