<math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mmultiscripts><mi mathvariant="normal">O</mi><mprescripts></mprescripts><none></none><mn>16</mn></mmultiscripts><mmultiscripts><mi mathvariant="normal">O</mi><mprescripts></mprescripts><none></none><mn>16</mn></mmultiscripts></mrow></math> collisions at energies available at the BNL Relativistic Heavy Ion Collider and at the CERN Large Hadron Collider comparing <math xmlns="http://www.w3.org/1998/Math/MathML"><mi>α</mi></math> clustering versus substructure

Nicholas Summerfield; Bing-Nan Lu; Christopher Plumberg; Dean Lee; Jacquelyn Noronha-Hostler; Anthony Timmins

doi:10.1103/PhysRevC.104.L041901

Letter

${}^{16}O {}^{16}O$ collisions at energies available at the BNL Relativistic Heavy Ion Collider and at the CERN Large Hadron Collider comparing $α$ clustering versus substructure

Nicholas Summerfield¹, Bing-Nan Lu², Christopher Plumberg ³, Dean Lee ⁴, Jacquelyn Noronha-Hostler ³, and Anthony Timmins¹

¹Department of Physics, University of Houston, Houston, Texas 77204, USA
²China Academy of Engineering Physics, Graduate School, Building 8, No. 10 Xi'er Road, ZPark II, Haidian District, Beijing 100193, China
³Illinois Center for Advanced Studies of the Universe, Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
⁴Facility for Rare Isotope Beams and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA

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Phys. Rev. C 104, L041901 – Published 4 October, 2021

DOI: https://doi.org/10.1103/PhysRevC.104.L041901

Abstract

Collisions of . light and heavy nuclei in relativistic heavy-ion collisions have been shown to be sensitive to nuclear structure. With a proposed ${}^{16}O {}^{16}O$ run at the CERN Large Hadron Collider (LHC) and at the BNL Relativistic Heavy Ion Collider (RHIC) we study the potential for finding $α$ clustering in ${}^{16}O$ . Here we use the state-of-the-art iEBE-VISHNU package with ${}^{16}O$ nucleonic configurations from ab initio nuclear lattice simulations. This setup was tuned using a Bayesian analysis on $p Pb$ and PbPb systems. We find that the ${}^{16}O {}^{16}O$ 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 $α$ -clustering, nucleonic, and subnucleonic degrees of freedom in the initial state.

Physical Review C

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${}^{16}O {}^{16}O$ collisions at energies available at the BNL Relativistic Heavy Ion Collider and at the CERN Large Hadron Collider comparing $α$ clustering versus substructure

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O16O16 collisions at energies available at the BNL Relativistic Heavy Ion Collider and at the CERN Large Hadron Collider comparing α clustering versus substructure

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${}^{16}O {}^{16}O$ collisions at energies available at the BNL Relativistic Heavy Ion Collider and at the CERN Large Hadron Collider comparing $α$ clustering versus substructure