The Office of Fusion Energy Sciences (FES), at the U.S. Department of Energy’s Office of Science, announced the release of its vision, Building Bridges: A Vision for the Office of Fusion Energy Sciences, during the Fusion Energy Sciences Advisory Committee hearing on December 13, 2023.
Brown dwarfs are sometimes called failed stars, since they form like stars through gravitational collapse, but never gain enough mass to ignite nuclear fusion.
Did you know that the oceans hold more uranium than can be found on land? Seawater could become another source of nuclear fuel, and researchers in ACS Central Science report a way to capture it effectively.
Nuclear science and technology (NST) impact our daily lives in a myriad of ways. From nuclear power to radiation cancer treatments and agriculture protection, NST is critical to improving the standard of living in countries with growing energy requirements.
As two neutron stars orbit one another, they release gravitational waves that sap energy from the orbit until the two stars eventually collide and merge.
The elements above iron on the periodic table are thought to be created in cataclysmic explosions like the merger of two neutron stars or in rare classes of supernovae. New research suggests fission may operate in the cosmos during the creation of the heavy elements. Combing through data on a variety of elements that reside in very old stars, researchers have found a potential signature of fission, indicating that nature is likely to produce superheavy nuclei beyond the heaviest elements on the periodic table.
Colliding nuclei at high speeds melts their constituent quarks and gluons into a Quark-Gluon Plasma (QGP). Quarks and gluons from the colliding nuclei also sometimes ricochet off one another very early on in the collision and form sprays of energetic particles known as jets. These jets lose their energy as they exit the plasma, with wide jets losing more energy than narrow jets. Researchers have confirmed that the plasma treats each prong of a jet independently only when the prongs are separated by a sufficiently large angle.
Today, the City of Newport News announced the transfer of the Applied Research Center to Jefferson Lab and the Department of Energy. The announcement was made in a ribbon-tying ceremony for the building. Renovation work on the ARC is planned over the next four years.
A paper co-authored by Argonne Physicist Filip Kondev has earned a “Top Cited Paper Award” from IOP Publishing. The paper provides fundamental nuclear physics properties for all known nuclei and ranks in the top 1% in IOP’s Physics category since 2020.
Gamma-induced nuclear spallation reactions are critical for understanding various phenomena in nuclear physics and related applications.
For decades, scientists have been on a quest to unravel the mysteries behind the creation of elements heavier than iron. At the heart of this exploration lie two primary neutron capture processes: the s(slow) and r(rapid) processes.
Jefferson Lab nuclear physicist Alexandre Deur has been named an American Physical Society Fellow for the study of the spin structure of the nucleon.
New calculations predicting the spatial distributions of the charges, momentum, and other properties of the quarks within protons found that the up quarks are more symmetrically distributed and spread over a smaller distance within the proton than the down quark. The results imply that these two types of quarks contribute differently to a proton’s properties.
Christine Nattrass, a physics professor at the University of Tennessee (UT), Knoxville, has recruited a crew of mostly undergraduate students to dig deep into data from billions of particle collisions at the Relativistic Heavy Ion Collider (RHIC) to help unlock the secrets of matter.
Nuclear energy is a key player in the global high-grade energy landscape, offering reliable electricity with minimal environmental impact. However, managing and processing spent nuclear fuel (SNF) is crucial for sustainable and safe nuclear power deployment.
High-energy heavy-ion collisions, while impossible to observe directly, provide invaluable insights into the universe's beginnings. Researchers analyze the final particles produced in these collisions to understand better the properties and mechanisms behind particle production.
One of the annoying side effects of being absorbed in a gripping novel is that the cup of tea on the table becomes cold! Unfortunately, the tea would not heat itself by absorbing the heat around it, just as pieces of a broken egg would not put themselves together or milk mixed in coffee would not separate by itself.
The National Academies of Sciences has awarded funding to Argonne National Laboratory and others to improve safety of offshore oil and gas operations in the Gulf of Mexico.
PNNL chemical engineer Reid Peterson helped develop the process to pretreat Hanford Site tank waste by removing cesium-137.
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