Nuclear symmetry energy and the PREX-CREX neutron skin puzzle within the KIDS framework

Panagiota Papakonstantinou

Nuclear symmetry energy and the PREX-CREX neutron skin puzzle within the KIDS framework

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arxiv 2210.02696 v1 pith:JSIO4X7L submitted 2022-10-06 nucl-th

Panagiota Papakonstantinou This is my paper · ORCID

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keywords energyframeworkkidsnuclearprex-crexpuzzleresultssymmetry

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I briefly review the KIDS theoretical framework for the nuclear equation of state (EoS) and energy density functional (EDF), I discuss recent results for the curvature parameter of the symmetry energy, and I address the PREX-CREX puzzle. I show that it is possible to obtain EDF models which can reproduce both PREX-II and CREX results each within its respective error bars. Such EDFs correspond to EoSs which soften towards low densities, as could be attributed to clusterization. Before such a scenario is considered viable, the dipole polarizability should also be examined.

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From CREX to CEvNS: The Weak Radius of 40Ar
nucl-th 2025-09 conditional novelty 6.0 of 10

The weak radius of 40Ar is estimated as 3.452 ± 0.028 (stat) ± 0.022 (syst) fm by anchoring to CREX via a strong model-predicted Ca-Ar correlation.

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