Campus Units

Physics and Astronomy

Document Type

Article

Publication Version

Published Version

Publication Date

12-14-2011

Journal or Book Title

Physical Review Letters

Volume

107

Issue

25

First Page

252301

DOI

10.1103/PhysRevLett.107.252301

Abstract

Flow coefficients nu(n) for n = 2, 3, 4, characterizing the anisotropic collective flow in Au + Au collisions at root s(NN) = 200 GeV, are measured relative to event planes Psi(n), determined at large rapidity. We report nu(n) as a function of transverse momentum and collision centrality, and study the correlations among the event planes of different order n. The nu(n) are well described by hydrodynamic models which employ a Glauber Monte Carlo initial state geometry with fluctuations, providing additional constraining power on the interplay between initial conditions and the effects of viscosity as the system evolves. This new constraint can serve to improve the precision of the extracted shear viscosity to entropy density ratio eta/s.

Comments

This article is published as Adare, A., S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, H. Al-Bataineh, J. Alexander et al. "Measurements of higher order flow harmonics in Au+ Au collisions at s N N= 200 GeV." Physical Review Letters 107, no. 25 (2011): 252301. DOI:10.1103/PhysRevLett.107.252301. Posted with permission.

Copyright Owner

American Physical Society

Language

en

File Format

application/pdf

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