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Title: Net-baryon diffusion in fluid-dynamic simulations of relativistic heavy-ion collisions

Journal Article · · Physical Review C
 [1];  [2];  [2];  [3];  [4];  [4]
  1. Univ. Federal Fluminense, Niteroi, RJ (Brazil)
  2. McGill Univ., Montreal, QC (Canada)
  3. CNRS, Gif-sur-Yvette (France); Institute of Particle and Nuclear Studies, Ibaraki (Japan)
  4. Brookhaven National Lab. (BNL), Upton, NY (United States)
+ Show Author Affiliations

A hybrid (hydrodynamics + hadronic transport) theoretical framework is assembled to model the bulk dynamics of relativistic heavy-ion collisions at energies accessible in the Beam Energy Scan (BES) program at the Relativistic Heavy-Ion Collider (RHIC) and the NA61/SHINE experiment at CERN. The system's energy-momentum tensor and net baryon current are evolved according to relativistic hydrodynamics with finite shear viscosity and non-zero net baryon diffusion. Our hydrodynamic description is matched to a hadronic transport model in the dilute region. With this fully integrated theoretical framework, we present a pilot study of the hadronic chemistry, particle spectra, and anisotropic flow. Phenomenological effects of a non-zero net-baryon current and its diffusion on hadronic observables are presented for the first time. Furthermore, the importance of the hadronic transport phase is also investigated.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
SC0012704; AC02-05CH11231
OSTI ID:
1479271
Alternate ID(s):
OSTI ID: 1472214
Report Number(s):
BNL-209333-2018-JAAM; PRVCAN
Journal Information:
Physical Review C, Vol. 98, Issue 3; ISSN 2469-9985
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 84 works
Citation information provided by
Web of Science

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The QCD equation of state at finite density from analytical continuation journal January 2017
Conformal hydrodynamics in Minkowski and de Sitter spacetimes text January 2010
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Collective flow and viscosity in relativistic heavy-ion collisions text January 2013
Hydrodynamic Modeling of Heavy-Ion Collisions text January 2013
On the relative importance of second-order terms in relativistic dissipative fluid dynamics text January 2013
Energy Dependence of Moments of Net-proton Multiplicity Distributions at RHIC text January 2013
Thermally Fluctuating Second-Order Viscous Hydrodynamics and Heavy-Ion Collisions text January 2014
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Bulk Properties of the Medium Produced in Relativistic Heavy-Ion Collisions from the Beam Energy Scan Program text January 2017
New approach to initializing hydrodynamic fields and mini-jet propagation in quark-gluon fluids text January 2017
Dynamical initial state model for relativistic heavy-ion collisions text January 2017
Diffusion of conserved charges in relativistic heavy ion collisions text January 2017
Bulk viscosity of strongly interacting matter in the relaxation time approximation text January 2017
Dynamically integrated transport approach for heavy-ion collisions at high baryon density text January 2018
QCD phase diagram and the critical point text January 2004
Comparison of Chemical Freeze-Out Criteria in Heavy-Ion Collisions text January 2005
Signatures of the Tricritical Point in QCD text January 1998
Event-by-Event Fluctuations in Heavy Ion Collisions and the QCD Critical Point text January 1999
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Cited By (8)

Landau and Eckart frames for relativistic fluids in nuclear collisions journal July 2019
Sensitivity of the excitation functions of collective flow to relativistic scalar and vector meson interactions in the relativistic quantum molecular dynamics model RQMD.RMF journal November 2019
Fast resonance decays in nuclear collisions journal March 2019
Exploring the partonic phase at finite chemical potential within an extended off‐shell transport approach journal November 2019
Fast resonance decays in nuclear collisions journal January 2021
Longitudinal Dynamics of High Baryon Density Matter in High Energy Heavy-Ion Collisions text January 2018
Lattice-based equation of state at finite baryon number, electric charge and strangeness chemical potentials text January 2019
Landau and Eckart frames for relativistic fluids in nuclear collisions text January 2019

Figures / Tables (26)

FIG. 1(p. 5)figure FIG. 1
TABLE I(p. 5)table TABLE I
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FIG. 8(p. 11)figure FIG. 8
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TABLE IV(p. 13)table TABLE IV
FIG. 13(p. 14)figure FIG. 13
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FIG. 21(p. 23)figure FIG. 21
FIG. 22(p. 24)figure FIG. 22

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