ORNL Physics Division
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The Joint Institute for Heavy Ion Research (JIHIR) was created in the early 1980s as a collaborative effort between ORNL, Univ. of Tennessee, and Vanderbilt Univ. Its mission is to support heavy ion research at the Holifield Radioactive Ion Beam Facility at ORNL. It has successfully hosted thousands of researchers over the years to visit ORNL and perform experiments and collaborate on theoretical research. For more information, please see this page on the JIHIR.
RIB Center of Excellence
The Center of Excellence for Radioactive Ion Beam Studies for Stewardship Science is funded by the NNSA in their Stockpile Stewardship Academic Alliance (SSAA) program. The PI is Prof. Jolie Cizewski from Rutgers University, and the experimental program involves work in the ORNL Physics Division as well as experiments at Michigan State University, Argonne National Laboratory, and other facilities. The RIB Center has used transfer reactions with beams of neutron-rich unstable nuclei to learn about neutron-induced reactions that are of critical importance in nuclear physics (structure away from stability), in astrophysics (the r-process in supernovae), and in stockpile stewardship applications. The ORRUBA and VANDLE detector systems have also been created with funds from the Center. For more information, please see this page on the Center of Excellence.
Other Collaborations
UNIRIB - Universities Radioactive Ion Beam Consortium
The University Radioactive Ion Beam (UNIRIB) consortium is an important collaborative partnership led by Oak Ridge Associated Universities (ORAU) involving Oak Ridge National Laboratory (ORNL) and universities interested in exotic nuclei and astrophysics research. UNIRIB invites postdoctoral researchers and junior faculty from all over the world to perform groundbreaking physics experiments at ORNL's Holifield Radioactive Ion Beam Facility. For more information, please see the UNIRIB web page.

UNEDF - Universal Energy Density Functional Collaboration
The mission of this UNEDF project is: to find an optimal functional using all our knowledge of the nucleonic Hamiltonian and basic nuclear properties; to apply the EDF theory and its extensions to validate the functional using all the available relevant nuclear structure data; and to apply the validated theory to properties of interest that cannot be measured, in particular the transition properties needed for reaction theory. For more information, please see this UNEDF page.

• NUCLEI - a new Nuclear Theory Collaboration (check back here for more information)