Importance of the Bulk Viscosity of QCD in Ultrarelativistic Heavy-Ion Collisions

Ryu, S.; Paquet, J. -F.; Shen, C.; Denicol, G. S.; Schenke, B.; Jeon, S.; Gale, C.

doi:10.1103/PhysRevLett.115.132301

Title: Importance of the Bulk Viscosity of QCD in Ultrarelativistic Heavy-Ion Collisions

Journal Article · Tue Sep 22 00:00:00 EDT 2015 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.115.132301· OSTI ID:1335418

Ryu, S. ^[1]; Paquet, J. -F. ^[1]; Shen, C. ^[1]; Denicol, G. S. ^[1]; Schenke, B. ^[2]; Jeon, S. ^[1]; Gale, C. ^[1]

McGill Univ., Montreal, QC (Canada). Dept of Physics
Brookhaven National Lab. (BNL), Upton, NY (United States). Dept. of Physics

In this study, we investigate the consequences of a nonzero bulk viscosity coefficient on the transverse momentum spectra, azimuthal momentum anisotropy, and multiplicity of charged hadrons produced in heavy ion collisions at LHC energies. The agreement between a realistic 3D hybrid simulation and the experimentally measured data considerably improves with the addition of a bulk viscosity coefficient for strongly interacting matter. Lastly, this paves the way for an eventual quantitative determination of several QCD transport coefficients from the experimental heavy ion and hadron-nucleus collision programs.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: SC0012704

OSTI ID:: 1335418

Alternate ID(s):: OSTI ID: 1233955

Report Number(s):: BNL-112018-2016-JA; R&D Project: 08870; KB0301020

Journal Information:: Physical Review Letters, Vol. 115, Issue 13; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 235 works

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In-medium viscous coefficients of a hot hadronic gas mixture Gangopadhyaya, Utsab; Ghosh, Snigdha; Mitra, Sukanya arXiv https://doi.org/10.48550/arxiv.1703.03584	text	January 2017
Optical properties of an anisotropic hot QCD medium Jamal, M. Yousuf; Mitra, Sukanya; Chandra, Vinod arXiv https://doi.org/10.48550/arxiv.1706.02995	preprint	January 2017
Causality and existence of solutions of relativistic viscous fluid dynamics with gravity Bemfica, Fabio S.; Disconzi, Marcelo M.; Noronha, Jorge arXiv https://doi.org/10.48550/arxiv.1708.06255	text	January 2017
Homogeneous isotropization and equilibration of a strongly coupled plasma with a critical point Critelli, Renato; Rougemont, Romulo; Noronha, Jorge arXiv https://doi.org/10.48550/arxiv.1709.03131	text	January 2017
Relativistic Hydrodynamic Attractors with Broken Symmetries: Non-Conformal and Non-Homogeneous Romatschke, Paul arXiv https://doi.org/10.48550/arxiv.1710.03234	text	January 2017
Effect of the QCD equation of state and strange hadronic resonances on multiparticle correlations in heavy ion collisions Alba, Paolo; Sarti, Valentina Mantovani; Noronha, Jorge arXiv https://doi.org/10.48550/arxiv.1711.05207	text	January 2017
Diffusion of conserved charges in relativistic heavy ion collisions Greif, Moritz; Fotakis, Jan A.; Denicol, Gabriel S. arXiv https://doi.org/10.48550/arxiv.1711.08680	text	January 2017
Hydrodynamic attractor and the fate of perturbative expansions in Gubser flow Denicol, Gabriel; Noronha, Jorge arXiv https://doi.org/10.48550/arxiv.1804.04771	text	January 2018
Benchmarking a Non-Equilibrium Approach to Photon Emission in Relativistic Heavy-Ion Collisions Schäfer, Anna; Torres-Rincon, Juan M.; Rothermel, Jonas arXiv https://doi.org/10.48550/arxiv.1902.07564	text	January 2019

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