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Study Shows Abnormal Enhancement of a-Particle Clustering in Uranium Isotopes Written by AZoMApr 19 2021 In nuclear physics research, the discovery of new isotopes with extreme proton/neutron numbers is always fascinating. The α-decay in the heavy nuclei region is one of the ubiquitous decay modes and has a crucial role in the search for new isotopes. The illustration of the enhanced α-particle preformation in 214, 216U deduced by the strong proton-neutron interaction. Image Credit: Zhiyuan Zhang. But even after nearly a century of analyzing α-decay, researchers are still unable to perfec...

Chinese Academy of Sciences It is always exciting to find new isotopes with extreme neutron/proton numbers in nuclear physics research. In the region of heavy nuclei, α-decay is one of the pervasive decay modes and plays an essential role in searching for new isotopes. However, even after about a century of studying α-decay, scientists still cannot perfectly describe how the α-particle is formed at the surface of the nucleus before its emission. In the α-decay process, the α-particle can be regarded not only as two protons plus two neutrons, but also as two proton-neutron pairs. Although...

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 in...

Caroline Nesaraja: Providing nothing but the best nuclear data

Brookhaven Intern Caroline Sears Analyzes Nuclear Fission Yields The Smith College undergraduate is investigating what happens when the nucleus of an atom is split--reaction dynamics that are relevant to designing and operating nuclear reactors Caroline Sears, a rising junior at Smith College in Massachusetts, is completing a remote internship at Brookhaven Lab's National Nuclear Data Center. A chart of fission fragment yields of U-235. The colors correspond to how often the particular fission product is produced. From the NuDat database on the NNDC website (the website version is interactive...