Nuclear shell structure governs short-range nucleon pairing

A study published in Nature on June 3, 2026, revealed that the scattering of high-energy electrons from three distinct nuclei indicates short-range-correlated nucleon pairing is significantly influenced by the specific quantum orbitals occupied by nucleons. This finding challenges existing theoretical models, which had predicted a less pronounced dependency on orbital occupation. The research, conducted by scientists at [University Name, if available, otherwise omit], utilized advanced electron scattering techniques to probe the internal structure of atomic nuclei. The experiments focused on nuclei such as [Specific Nuclei Names, if available, otherwise omit], analyzing the momentum distributions of nucleon pairs. The results showed a clear correlation between the angular momentum of the occupied orbitals and the strength of the short-range correlations. This implies that the spatial arrangement of nucleons within the nucleus plays a more critical role in their short-range interactions than previously understood. The implications of this discovery could lead to a refinement of nuclear models, potentially improving our understanding of nuclear forces and the structure of exotic nuclei. Further research is expected to explore these correlations in a wider range of nuclear systems and under different physical conditions.