PHENIX measurements of higher order flow harmonics in Au+Au collisions at √ sNN = 200 GeV

Roy Lacey

doi:10.1088/0954-3899/38/12/124048

PHENIX measurements of higher order flow harmonics in Au+Au collisions at √ sNN = 200 GeV

Roy Lacey

Chemistry

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21 Scopus citations

Abstract

Flow coefficients v_n for n = 2, 3, 4, characterizing the anisotropic collective flow in Au+Au collisions at GeV, are presented. They indicate the expected growth of viscous damping for sound propagation in the quark-gluon plasma (QGP) produced in these collisions. Hydrodynamical model comparisons which include the effects of initial state geometry fluctuations highlight the role of higher harmonics (v_{n, n > 2}) as a constraint for disentangling the effects of viscosity and initial conditions and suggest a small specific viscosity for the QGP.

Original language	English
Article number	124048
Journal	Journal of Physics G: Nuclear and Particle Physics
Volume	38
Issue number	12
DOIs	https://doi.org/10.1088/0954-3899/38/12/124048
State	Published - Dec 2011

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title = "PHENIX measurements of higher order flow harmonics in Au+Au collisions at √ sNN = 200 GeV",

abstract = "Flow coefficients vn for n = 2, 3, 4, characterizing the anisotropic collective flow in Au+Au collisions at GeV, are presented. They indicate the expected growth of viscous damping for sound propagation in the quark-gluon plasma (QGP) produced in these collisions. Hydrodynamical model comparisons which include the effects of initial state geometry fluctuations highlight the role of higher harmonics (vn, n > 2) as a constraint for disentangling the effects of viscosity and initial conditions and suggest a small specific viscosity for the QGP.",

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AB - Flow coefficients vn for n = 2, 3, 4, characterizing the anisotropic collective flow in Au+Au collisions at GeV, are presented. They indicate the expected growth of viscous damping for sound propagation in the quark-gluon plasma (QGP) produced in these collisions. Hydrodynamical model comparisons which include the effects of initial state geometry fluctuations highlight the role of higher harmonics (vn, n > 2) as a constraint for disentangling the effects of viscosity and initial conditions and suggest a small specific viscosity for the QGP.

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PHENIX measurements of higher order flow harmonics in Au+Au collisions at √ sNN = 200 GeV

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