A method using two-body conditional probabilities characterizes quadrupole deformations in J-conserving nuclear states from symmetry-restored DFT calculations, yielding results distinct from broken-symmetry one-body moments.
Electromagnetic and Exotic Moments in Nuclear DFT
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abstract
Electromagnetic interactions serve as essential probes for studying and testing our understanding of the atomic nucleus, as they reveal emergent properties across the nuclear chart. We analyse their corresponding observables, which relate to charge and current distributions in nuclei expressed through their multipole components. We focus on theoretical results obtained within nuclear density functional theory (DFT) to derive self-consistent, symmetry-restored nuclear wave functions along with their spectroscopic multipole moments. We demonstrate how these compare with experimental data. We also discuss potential improvements in the formulation of magnetic dipole operators by including two-body meson-exchange contributions. Discussions of exotic symmetry-breaking moments emphasise their importance for understanding fine details of fundamental nuclear interactions. Detailed derivations are provided in the accompanying Supplemental Material.
fields
nucl-th 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
Nuclear DFT calculations determine the B(M1) transition strength between the 3/2+ ground and 5/2+ isomeric states in 229Th and report favorable agreement with experiment without parameter adjustment.
citing papers explorer
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Multipole tomography of atomic nuclei with symmetry-conserved theories
A method using two-body conditional probabilities characterizes quadrupole deformations in J-conserving nuclear states from symmetry-restored DFT calculations, yielding results distinct from broken-symmetry one-body moments.
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Radiative decay and electromagnetic moments in $^{229}$Th determined within nuclear DFT
Nuclear DFT calculations determine the B(M1) transition strength between the 3/2+ ground and 5/2+ isomeric states in 229Th and report favorable agreement with experiment without parameter adjustment.