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$^{16}\mathrm{O}^{16}\mathrm{O}$ at RHIC and the LHC comparing $\alpha$ clustering vs substructure

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arxiv 2103.03345 v1 pith:NTBOOBRN submitted 2021-03-04 nucl-th nucl-ex

Nicholas Summerfield , Bing-Nan Lu , Christopher Plumberg , Dean Lee , Jacquelyn Noronha-Hostler , Anthony Timmins This is my paper
classification nucl-thnucl-ex
keywords mathrmalphaclusteringrhiccollisionsfindnuclearnucleonic
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abstract

Collisions of light and heavy nuclei in relativistic heavy-ion collisions have been shown to be sensitive to nuclear structure. With a proposed $^{16}\mathrm{O}^{16}\mathrm{O}$ run at the LHC and RHIC we study the potential for finding $\alpha$ clustering in $^{16}$O. Here we use the state-of-the-art iEBE-VISHNU package with $^{16}$O nucleonic configurations from {\rm ab initio} nuclear lattice simulations. This setup was tuned using a Bayesian analysis on pPb and PbPb systems. We find that the $^{16}\mathrm{O}^{16}\mathrm{O}$ system always begins far from equilibrium and that at LHC and RHIC it approaches the regime of hydrodynamic applicability only at very late times. Finally, by taking ratios of flow harmonics we are able to find measurable differences between $\alpha$-clustering, nucleonic, and subnucleonic degrees of freedom in the initial state.

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Cited by 5 Pith papers

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

  1. Evidence of nuclear geometry-driven anisotropic flow in OO and Ne$-$Ne collisions at $\mathbf{\sqrt{{\textit s}_{\rm\mathbf {NN}}}}$ = 5.36 TeV

    nucl-ex 2025-09 conditional novelty 7.0 of 10

    First measurements of elliptic and triangular flow in OO and Ne-Ne collisions show geometry-driven collectivity consistent with hydrodynamic predictions.

  2. Quantifying alpha clustering in the ground states of 16-O and 20-Ne

    nucl-ex 2025-07 conditional novelty 6.0 of 10

    A sub-Coulomb alpha transfer measurement shows that the ground states of 16O and 20Ne have large alpha-cluster amplitudes, and provides a new constraint on the 16O alpha asymptotic normalization coefficient.

  3. Study the Longitudinal Entropy Deposition using d+Au Collision

    nucl-th 2026-07 conditional novelty 5.0 of 10

    A 3D entropy deposition model with β≈0.35 and n_BC-dependent rapidity loss, plus ab initio deuteron sampling, reproduces d+Au dNch/dη, spectra, and vn and transfers to p+Au, 3He+Au, and Au+Au.

  4. Nonlinear collective flow reveals the breakdown of quadrupole--hexadecapole scaling in heavy ion collisions

    nucl-th 2026-07 conditional novelty 5.0 of 10

    The nonlinear flow coefficient ξ6,222 in simulated U+U collisions separates the four (β2, β4) nuclear topology classes, making the sign of the hexadecapole deformation β4 experimentally accessible.

  5. 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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