Contact: Kandice Carter
DOE/Thomas Jefferson National Accelerator Facility
Caption: Some experiments seem to show that the building blocks of protons and neutrons inside a nucleus are somehow different from that of free ones (the EMC Effect). Other experiments show they behave differently when they pair up (Short-Range Correlations): they move faster and frequently overlap. Combining the data from experiments addressing these two effects, nuclear physicists showed that the two were connected. This connection has allowed scientists, for the first time, to extract information through experimentation about the internal structure of free neutrons, without the assistance of a theoretical model.
Credit: DOE's Jefferson Lab
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Related news release: Bound neutrons pave way to free ones