Learn more about Isotopes
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January 16, 2024The Oak Ridge Office of Environmental Management (OREM) and contractor Isotek are moving forward on the highest priority cleanup project at Oak Ridge National Laboratory (ORNL): eliminating the remaining inventory of uranium-233 stored onsite.Office of Environmental Management
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BulletinJanuary 16, 2024Measurements of the nuclear structure of cesium-136 open a new channel for measurements of astrophysical neutrinos and searches for dark matter.Nuclear Physics
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BulletinJanuary 8, 2024The Baksan Experiment on Sterile Transitions (BEST) finds evidence of the sterile neutrino, a hypothetical particle that interacts only via gravity.Nuclear Physics
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January 4, 2024Department of Energy user facility helps probe questions from changes in the structure of nuclei to nuclear reactions that shape the Universe.Nuclear Physics
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December 26, 2023Researchers examine the structure of the low-energy nuclear states of carbon-12 using nuclear lattice effective field theory.Nuclear Physics
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BlogDecember 13, 2023As part of the effort to detect nuclear explosive tests around the world – a vital NNSA mission – scientists gathered in Santiago, Chile, this month to discuss radioactive emissions from peaceful sources, such as during the production of medical isotopes.National Nuclear Security Administration
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October 24, 2023Experiment at Oak Ridge National Laboratory’s High Flux Isotope Reactor precisely measures the antineutrino energy spectrum.High Energy Physics
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October 11, 2023Scientists take pictures of a nuclear reaction in the laboratory to understand processes inside the cores of stars.Nuclear Physics
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September 29, 2023A unique study of a key reaction in X-ray burst nucleosynthesis bolsters the theoretical models used to calculate reaction rates.Nuclear Physics
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September 28, 2023The shipment from TRIGA International is the first of its kind in the world in more than a decade and restores an important fuel supply for TRIGA reactors around the world, including a dozen located at universities across the United States.Office of Nuclear Energy