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Measurements of Higher Order Flow Harmonics in Au+ Au Collisions at sqrt [s_ {NN}]= 200 GeV

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/20557

Measurements of Higher Order Flow Harmonics in Au+ Au Collisions at sqrt [s_ {NN}]= 200 GeV

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Title: Measurements of Higher Order Flow Harmonics in Au+ Au Collisions at sqrt [s_ {NN}]= 200 GeV
Author: Fields, Douglas E.; PHENIX Collaboration; Brooks, M. L.; Butsyk, S.; Camacho, C. M.; Constantin, P.; Kapustinsky, J.; Kunde, G. J.; Lee, D. M.; Leitch, M. J.; Liu, H.; Liu, M. X.; McGaughey, P. L.; Purwar, A. K.; Sondheim, W. E.; Van Hecke, H.W.; Bassalleck, B.; Kotchetkov, D.; Malik, M. D.; Thomas, T. L.; Younus, I.; Al-Bataineh, H.; Kyle, G. S.; Papavassiliou, V.; Pate, S. F.; Wang, X. R.
Abstract: Flow coefficients vn for n = 2, 3, 4, characterizing the anisotropic collective flow in Au + Au collisions at square root of S(NN) = 200 GeV, are measured relative to event planes psin, determined at large rapidity. We report vn as a function of transverse momentum and collision centrality, and study the correlations among the event planes of different order n. The vn 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 n/s.
Date: 2011-12-16
Publisher: American Physical Society
Citation: Physical review letters1 107(25): 1-7
Description: http://prl.aps.org/pdf/PRL/v107/i25/e252301
URI: http://hdl.handle.net/1928/20557

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