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DOE/Oak Ridge National Laboratory Nesaraja evaluates mass chains assigned to nuclear data program centers like ORNL. She selects best values for archiving in a specialized nuclear structure database and publication. (Credit: Carlos Jones/ORNL, U.S. Dept. of Energy) Nuclear physicist Caroline Nesaraja of the Department of Energy s Oak Ridge National Laboratory evaluates nuclear data vital to applied and basic sciences. Her work ensures that the scientific community has the best nuclear data for fundamental research and applications including medical isotopes, nuclear energy and national and international security. At the heart of nuclear data evaluation is recommending values for a range of nuclear properties for the community to adopt and use, said Nesaraja. Her exacting evaluation process starts with gathering extensive nuclear structure and decay data from experimental measurements published in peer-reviewed journals. ....
Accelerators Are Key to Groundbreaking Solutions for Medical, Clean Energy, and National Security Challenges WASHINGTON, D.C. – The U.S. Department of Energy (DOE) today announced $18 million in new funding to advance particle accelerator technology, a critical tool for discovery sciences and optimizing the way we treat medical patients, manufacture electronics and clean energy technologies, and defend the nation against security threats. The new funding also includes $5 million for university-based traineeships that will build a diverse, skilled pipeline of American accelerator scientists and engineers. “Accelerator-based technologies are all around us, from new medical therapies to ways to make solar panels and we’ve only scratched the surface of their potential to tackle a host of 21 ....
February 24, 2021 Asymmetry in the proton confounds physicists, but a new discovery may bring back old theories to explain it. Graphical representation of the proton. The large spheres represent the three valence quarks, the small spheres represent the other quarks that make up the proton, and the springs represent the nuclear force holding them together. (Image by Brookhaven National Laboratory.) Symmetry displayed in areas ranging from mathematics and art, to living organisms and galaxies is an important underlying structure in nature. It characterizes our universe and enables it to be studied and understood. Because symmetry is such a pervasive theme in nature, physicists are especially intrigued when an object seems like it should be symmetric, but it isn’t. When scientists are confronted with these broken symmetries, it’s as if they’ve found an object with a strange reflection in the mirror. ....
Reaping FRIB’s isotopes to sow new science A new $13 million grant is helping the Facility for Rare Isotope Beams at MSU harvest unused isotopes for a variety of research fields It’s no secret that Michigan State University is a leader in nuclear science. The university boasts the nation’s top-ranked nuclear physics graduate program. It’s also the home to the Facility for Rare Isotope Beams, a U.S. Department of Energy Office of Science, or DOE-SC, user facility that will power cutting-edge nuclear science for researchers around the globe.
In addition to enabling a world-leading science program with beams of rare isotopes, this unique facility can also become a source of rare isotopes that benefit a variety of other fields, including medicine, materials science and environmental studies. During routine operation for its nuclear physics mission without interfering with FRIB’s primary users extra, unused isotopes can be “harvested” using additio ....