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The neutron skin of 48Ca and 208Pb: a critical analysis

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arxiv 2311.02539 v1 pith:MQZTVM6R submitted 2023-11-05 nucl-th

classification nucl-th
keywords neutronskinexperimentanalysisargueargumentattentionbehavior
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We discuss the neutron skins of 48Ca and 208Pb. We review and critically examine modern predictions and empirical constraints, with special attention to the different interpretations of the findings from the PREX-II experiment and the recently reported value of the neutron skin in 48Ca extracted from the CREX experiment. We argue that, in the spirit of the ab initio philosophy, the path to understanding the behavior of dense neutron-rich matter must not circumvent fundamental nuclear forces. Based only on that argument, a thick neutron skin in 208Pb is highly unlikely.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Unraveling the neutron skin thickness through jet charge in deep inelastic scattering

    hep-ph 2025-06 conditional novelty 6.0 of 10

    Jet charge distributions in electron-ion collisions are shown to be sensitive to neutron skin thickness, with peripheral collisions suppressing positive jets and enhancing negative jets.

  2. Nuclear Physics Confronts Relativistic Collisions Of Isobars

    nucl-ex 2025-07 conditional novelty 5.0 of 10

    RHIC isobar data are explained by different shapes of 96Ru and 96Zr, with 96Zr showing a large octupole deformation, so nuclear structure uncertainty, not the magnetic field, dominates the observed ratios.

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