Phenomenological constraints on the bulk viscosity of QCD

Paquet, Jean -François; Shen, Chun; Denicol, Gabriel; Jeon, Sangyong; Gale, Charles

doi:10.1016/j.nuclphysa.2017.06.024

Title: Phenomenological constraints on the bulk viscosity of QCD

Journal Article · Mon Sep 25 00:00:00 EDT 2017 · Nuclear Physics. A

DOI:https://doi.org/10.1016/j.nuclphysa.2017.06.024· OSTI ID:1502372

Paquet, Jean -François ^[1]; Shen, Chun ^[2]; Denicol, Gabriel ^[3]; Jeon, Sangyong ^[4]; Gale, Charles ^[4]

Stony Brook Univ., Stony Brook, NY (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States)
Univ. Federal Fluminense (Brazil)
McGill Univ., Montreal, QC (Canada)

While small at very high temperature, the bulk viscosity of Quantum Chromodynamics is expected to grow in the confinement region. Although its precise magnitude and temperature-dependence in the cross-over region is not fully understood, recent theoretical and phenomenological studies provided evidence that the bulk viscosity can be sufficiently large to have measurable consequences on the evolution of the quark-gluon plasma. In this study, a Bayesian statistical analysis is used to establish probabilistic constraints on the temperature-dependence of bulk viscosity using hadronic measurements from RHIC and LHC.

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Research Organization:: The State Univ. of New York, Stony Brook, NY (United States); Brookhaven Science Assoc., LLC, Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: FG02-88ER40388; SC0012704

OSTI ID:: 1502372

Journal Information:: Nuclear Physics. A, Vol. 967, Issue C; ISSN 0375-9474

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 6 works

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