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

Abstract

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.

Authors:
 [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)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP)
OSTI Identifier:
1479271
Alternate Identifier(s):
OSTI ID: 1472214
Report Number(s):
BNL-209333-2018-JAAM
Journal ID: ISSN 2469-9985; PRVCAN
Grant/Contract Number:  
SC0012704; AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 98; Journal Issue: 3; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Denicol, Gabriel S., Gale, Charles, Jeon, Sangyong, Monnai, Akihiko, Schenke, Björn, and Shen, Chun. Net-baryon diffusion in fluid-dynamic simulations of relativistic heavy-ion collisions. United States: N. p., 2018. Web. https://doi.org/10.1103/PhysRevC.98.034916.
Denicol, Gabriel S., Gale, Charles, Jeon, Sangyong, Monnai, Akihiko, Schenke, Björn, & Shen, Chun. Net-baryon diffusion in fluid-dynamic simulations of relativistic heavy-ion collisions. United States. https://doi.org/10.1103/PhysRevC.98.034916
Denicol, Gabriel S., Gale, Charles, Jeon, Sangyong, Monnai, Akihiko, Schenke, Björn, and Shen, Chun. Mon . "Net-baryon diffusion in fluid-dynamic simulations of relativistic heavy-ion collisions". United States. https://doi.org/10.1103/PhysRevC.98.034916. https://www.osti.gov/servlets/purl/1479271.
@article{osti_1479271,
title = {Net-baryon diffusion in fluid-dynamic simulations of relativistic heavy-ion collisions},
author = {Denicol, Gabriel S. and Gale, Charles and Jeon, Sangyong and Monnai, Akihiko and Schenke, Björn and Shen, Chun},
abstractNote = {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.},
doi = {10.1103/PhysRevC.98.034916},
journal = {Physical Review C},
number = 3,
volume = 98,
place = {United States},
year = {2018},
month = {9}
}

Journal Article:

Citation Metrics:
Cited by: 8 works
Citation information provided by
Web of Science

Figures / Tables:

FIG. 1 FIG. 1: Example of the envelope functions for entropy density and net baryon density $f$ $^{s}_{±}$($η$s) and $f$ $^{^n B}_{±}$ ($η$s) in Au+Au collisions at $\sqrt{{s}_{NN}}$ = 19.6 GeV.

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