Leading-order anisotropic hydrodynamics for central collisions
Abstract
In this work, we use leading-order anisotropic hydrodynamics to study an azimuthally symmetric boost-invariant quark-gluon plasma. We impose a realistic lattice-based equation of state and perform self-consistent anisotropic freeze-out to hadronic degrees of freedom. We then compare our results for the full spatiotemporal evolution of the quark-gluon plasma and its subsequent freeze-out to results obtained using 1+1D Israel-Stewart second-order viscous hydrodynamics. We find that for small shear viscosities, 4πη/s ~1, the two methods agree well for nucleus-nucleus collisions; however, for large-shear-viscosity-to-entropy-density ratios or proton-nucleus collisions we find important corrections to the Israel-Stewart results for the final particle spectra and the total number of charged particles. Finally, we demonstrate that the total number of charged particles produced is a monotonically increasing function of 4πη/s in Israel-Stewart viscous hydrodynamics, whereas in anisotropic hydrodynamics it has a maximum at 4πη/s ~10. For all 4πη/s > 0, we find that for Pb-Pb collisions Israel-Stewart viscous hydrodynamics predicts more dissipative particle production than anisotropic hydrodynamics.
- Authors:
-
- Kent State Univ., Kent, OH (United States)
- Polish Academy of Sciences, Krakow (Poland)
- The Ohio State Univ., Columbus, OH (United States)
- Publication Date:
- Research Org.:
- The Ohio State Univ., Columbus, OH (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP); Polish National Science Centre (NCN)
- OSTI Identifier:
- 1604529
- Alternate Identifier(s):
- OSTI ID: 1224375
- Grant/Contract Number:
- SC0004286; SC0013470; AC02-05CH11231; SC0004104; DEC-2012/07/D/ST2/02125; AC0205CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C, Nuclear Physics
- Additional Journal Information:
- Journal Volume: 92; Journal Issue: 4; Journal ID: ISSN 0556-2813
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Nopoush, Mohammad, Strickland, Michael, Ryblewski, Radoslaw, Bazow, Dennis, Heinz, Ulrich, and Martinez, Mauricio. Leading-order anisotropic hydrodynamics for central collisions. United States: N. p., 2015.
Web. doi:10.1103/PhysRevC.92.044912.
Nopoush, Mohammad, Strickland, Michael, Ryblewski, Radoslaw, Bazow, Dennis, Heinz, Ulrich, & Martinez, Mauricio. Leading-order anisotropic hydrodynamics for central collisions. United States. https://doi.org/10.1103/PhysRevC.92.044912
Nopoush, Mohammad, Strickland, Michael, Ryblewski, Radoslaw, Bazow, Dennis, Heinz, Ulrich, and Martinez, Mauricio. Tue .
"Leading-order anisotropic hydrodynamics for central collisions". United States. https://doi.org/10.1103/PhysRevC.92.044912. https://www.osti.gov/servlets/purl/1604529.
@article{osti_1604529,
title = {Leading-order anisotropic hydrodynamics for central collisions},
author = {Nopoush, Mohammad and Strickland, Michael and Ryblewski, Radoslaw and Bazow, Dennis and Heinz, Ulrich and Martinez, Mauricio},
abstractNote = {In this work, we use leading-order anisotropic hydrodynamics to study an azimuthally symmetric boost-invariant quark-gluon plasma. We impose a realistic lattice-based equation of state and perform self-consistent anisotropic freeze-out to hadronic degrees of freedom. We then compare our results for the full spatiotemporal evolution of the quark-gluon plasma and its subsequent freeze-out to results obtained using 1+1D Israel-Stewart second-order viscous hydrodynamics. We find that for small shear viscosities, 4πη/s ~1, the two methods agree well for nucleus-nucleus collisions; however, for large-shear-viscosity-to-entropy-density ratios or proton-nucleus collisions we find important corrections to the Israel-Stewart results for the final particle spectra and the total number of charged particles. Finally, we demonstrate that the total number of charged particles produced is a monotonically increasing function of 4πη/s in Israel-Stewart viscous hydrodynamics, whereas in anisotropic hydrodynamics it has a maximum at 4πη/s ~10. For all 4πη/s > 0, we find that for Pb-Pb collisions Israel-Stewart viscous hydrodynamics predicts more dissipative particle production than anisotropic hydrodynamics.},
doi = {10.1103/PhysRevC.92.044912},
journal = {Physical Review C, Nuclear Physics},
number = 4,
volume = 92,
place = {United States},
year = {Tue Oct 27 00:00:00 EDT 2015},
month = {Tue Oct 27 00:00:00 EDT 2015}
}
Web of Science
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Works referencing / citing this record:
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