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Determining the neutron skin thickness by relativistic semi-isobaric collisions

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arxiv 2311.01747 v2 pith:FRUKM2UO submitted 2023-11-03 nucl-th

Qi Liu , Shujun Zhao , Hao-jie Xu , Huichao Song This is my paper · ORCID
classification nucl-th
keywords neutronskinsemi-isobaricthicknesscollisionsflowrelativisticanisotropic
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abstract

The neutron skin thickness of the benchmark nucleus $^{208}$Pb is crucial for our understanding of the equation of state of nuclear matter. In this paper, we discuss the effect of the neutron skin on the flow ratio observables in the semi-isobaric collisions $^{208}$Pb+$^{208}$Pb and $^{197}$Au+$^{197}$Au using iEBE-VISHNU hydrodynamic simulations. Our results suggest that $^{208}$Pb and $^{197}$Au should have the same magnitude of neutron skin thickness to describe the anisotropic flow ratios between the semi-isobaric systems. Our method provides an unconventional way to determine the neutron skin with the existing relativistic heavy ion collision data.

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Cited by 3 Pith papers

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

  1. Investigating $^{238}$U Deformation via Dilepton Production in Relativistic Heavy-Ion Collisions

    nucl-th 2025-07 conditional novelty 6.0 of 10

    In a transport-model study of U+U collisions at 193 GeV, dilepton yields normalized by charged multiplicity are shown to scale linearly with the square of the nuclear quadrupole deformation beta_2, with stronger sensi...

  2. 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.

  3. Angular structure of many-body correlations in atomic nuclei: From nuclear deformations to diffractive vector meson production in $\gamma A$ collisions

    nucl-th 2025-04 conditional novelty 6.0 of 10

    Random rotation of an axially deformed intrinsic nuclear state produces a lab-frame two-body correlation proportional to cos(2φ12), which can be probed in diffractive photo-nuclear vector meson production.

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