A new high-precision measurement of the neutron skin in doubly magic calcium-48 may help shed light on proton-neutron interactions inside nuclei. This is the first highly robust electroweak measurement of the neutron skin in a medium-weight nucleus. The results from this new measurement, made by the 48Ca Radius EXperiment (CREX) collaboration at DOE’s Thomas Jefferson National Accelerator Facility, will be presented at the 2021 Fall Meeting of the APS Division of Nuclear Physics.
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Source: Phys.org