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Next-generation multi-fluid hydrodynamic model for RHIC BES

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arxiv 2301.11894 v2 pith:ISG45YFO submitted 2023-01-27 nucl-th hep-ph

Next-generation multi-fluid hydrodynamic model for RHIC BES

classification nucl-th hep-ph
keywords modelenergieshydrodynamicinitialnext-generationsimulationswellapproach
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We have developed a next-generation hybrid event-by-event three-fluid hydrodynamic model, suitable for simulations of heavy-ion collisions in the energy range from few up to tens of GeV per colliding NN pair. At such energies the interpenetration time of the nuclei is of the same order as the lifetime of the system, however this model treats the initial phase hydrodynamically. Thanks to that it is more sensitive to the Equation of State than 1-fluid models with initial states being parametrised or generated by transport approach. Hence, our model is well designed for simulations at collision energies, at which matter in vicinity of the QCD critical endpoint is expected. The construction of the model is explained and basic observables like hadron spectra in rapidity and transverse momentum, as well as elliptic flow are calculated.

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Cited by 2 Pith papers

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

  1. Space-time regions of high baryon density and baryon stopping in heavy-ion collisions

    nucl-th 2026-02 conditional novelty 6.0

    3FD hydrodynamics predicts larger and longer-lived regions of dense baryon matter in Au+Au collisions at 3–19.6 GeV than JAM transport, with V4(3n0) decreasing monotonically with energy.

  2. Toward a Unified Understanding of the Dense Matter Equation of State

    nucl-th 2025-11 conditional novelty 2.0

    A review of three Bayesian/computational frameworks for combining heavy-ion and astrophysical constraints on the dense-matter equation of state, plus a proposed unified integration workflow.