When Brown completed the draft of his 2017 theory, he immediately shared it with Minamisono. “I wrote both papers in a couple months.” “I work on many things and these are very isolated papers,” Brown said. Brown has published more than 800 scientific papers during his career, and the ones that inspired the experiments at NSCL and Jefferson Lab are distinct from his other work. One of the ironies here is that Brown hasn’t spent a lot of his time working on the two theories central to this story.
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It was this type of collaboration that kicked off the Jefferson Lab’s experiments 20 years ago, and it’s this type of collaboration that will power future discoveries at FRIB. These projects also underscore the importance of theorists and experimentalists working together, especially when tackling fundamental mysteries of the universe. “The progress made in both experiment and theory on this broad topic underscores the importance and uniqueness of the capabilities of Jefferson Lab and NSCL, and the future will bring more such examples as new measurements are carried out at FRIB.” “A detailed comparison of these measurements will allow us to test our assumptions and increase the robustness of connecting the physics of the very small - nuclei - to the physics of the very large - neutron stars,” said Kumar, who is also the Gluckstern Professor of Physics at the University of Massachusetts Amherst. Rather, Krishna Kumar, a member and past chair of the Jefferson Lab Users Organization, called the experiments “wonderfully complementary.” To be clear, the experiments in Michigan and Virginia are not competing. “You can do experiments that take a few years to run and experiments that take a few days and get results that are very similar.” This comes on the heels of new data from the Jefferson Lab experiments that took years to acquire. In fact, on October 29, 2021, the team published a paper in the journal Physical Review Letters based on data from an experiment that took a few days to run. The goal of this new idea was the same as his earlier theory, but it could be tested using what are known as “mirror nuclei” to provide a faster and simpler path to that destination. “It’s amazing how new ideas come to you,” said Brown, a professor of physics at FRIB and in MSU’s Department of Physics and Astronomy.
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FRIB is a DOE-SC user facility at MSU that will start scientific user operation in early 2022. That’s when he said he started thinking about the beautiful precision experiments run by his colleague Kei Minamisono’s group at the National Superconducting Cyclotron Laboratory, or NSCL, and in the near-future at the Facility for Rare Isotope Beams, or FRIB.
#Eutron relay series#
So experimentalists got to work on a decades-long series of studies and Brown largely returned to his other projects. Department of Energy Office of Science, or DOE-SC, national laboratory in Virginia. The facility, also known as Jefferson Lab, is a U.S. It would take years and the unique capabilities of the Thomas Jefferson National Accelerator Facility. Brown’s theory laid the blueprints for connecting the properties of nuclei to neutron stars, but building that bridge with experiments would be challenging.