Building a testable shear viscosity across the QCD phase diagram

Mclaughlin E, Rose J, Dore T, Parotto P, Ratti C, Noronha-Hostler J (2022)

Publication Type: Journal article

Publication year: 2022

Journal

Physical Review C - Nuclear Physics American Physical Society

Book Volume: 105

Journal Issue: 2

DOI: 10.1103/PhysRevC.105.024903

Abstract

Current experiments at the Relativistic Heavy Ion Collider (RHIC) are probing finite baryon densities where the shear viscosity to enthalpy ratio ilT /w of the quark gluon plasma remains unknown. We use the hadron resonance gas (HRG) model with the most up-to-date hadron list to calculate ilT /w at low temperatures and at finite baryon densities pB. We then match ilT /w to a quantum-chromodynamics-based shear viscosity calculation within the deconfined phase to create a table across {T, mu B} for different crossover and critical point scenarios at a specified location. We find that these new ilT /w(T, mu B) values would require initial conditions at significantly larger pB, compared to ideal hydrodynamic trajectories, to reach the same freeze-out point.

Involved external institutions

University of Illinois at Urbana-Champaign US United States (USA) (US) University of Houston US United States (USA) (US) Columbia University US United States (USA) (US) Bergische Universität Wuppertal DE Germany (DE)

How to cite

APA:

Mclaughlin, E., Rose, J., Dore, T., Parotto, P., Ratti, C., & Noronha-Hostler, J. (2022). Building a testable shear viscosity across the QCD phase diagram. Physical Review C - Nuclear Physics, 105(2). https://dx.doi.org/10.1103/PhysRevC.105.024903

MLA:

Mclaughlin, Emma, et al. "Building a testable shear viscosity across the QCD phase diagram." Physical Review C - Nuclear Physics 105.2 (2022).

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