Ab initio chiral EFT calculations of parity-violating asymmetries for 48Ca and 208Pb show mild tension with data and infer a neutron skin of 0.187(25)(18) fm for 208Pb.
Papakonstantinou, Nuclear symmetry energy and the PREX-CREX neutron skin puzzle within the KIDS framework (2022) arXiv:2210.02696 [nucl-th]
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The charge-weak form factor difference shows strong sensitivity to isovector spin-orbit strength in 48Ca and 90Zr but weak sensitivity in 208Pb and 62Ni, driven by nuclear structure rather than direct spin-orbit effects.
citing papers explorer
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Ab initio calculations of parity-violating electron scattering off $^{48}$Ca and $^{208}$Pb
Ab initio chiral EFT calculations of parity-violating asymmetries for 48Ca and 208Pb show mild tension with data and infer a neutron skin of 0.187(25)(18) fm for 208Pb.
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Effects of isovector spin-orbit interaction on the charge-weak form factor difference in $^{48}$Ca, $^{208}$Pb, $^{90}$Zr and $^{62}$Ni
The charge-weak form factor difference shows strong sensitivity to isovector spin-orbit strength in 48Ca and 90Zr but weak sensitivity in 208Pb and 62Ni, driven by nuclear structure rather than direct spin-orbit effects.