Initial eccentricity fluctuations and their relation to higher-order flow harmonics - INSPIRE

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Initial eccentricity fluctuations and their relation to higher-order flow harmonics

Sep, 2010

5 pages

Published in:

Phys.Rev.C 83 (2011) 044902

e-Print:

1009.5230 [nucl-ex]

DOI:

10.1103/PhysRevC.83.044902

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Abstract: (arXiv)

Monte Carlo simulations are used to compute the centrality dependence of the participant eccentricities (

\epsilon_{n}

) in Au+Au collisions, for the two primary models currently employed for eccentricity estimates -- the Glauber and the factorized Kharzeev-Levin-Nardi (fKLN) models. They suggest specific testable predictions for the magnitude and centrality dependence of the flow coefficients

v_n

, respectively measured relative to the event planes

\Psi_n

. They also indicate that the ratios of several of these coefficients may provide an additional constraint for distinguishing between the models. Such a constraint could be important for a more precise determination of the specific viscosity of the matter produced in heavy ion collisions.

25.75.Gz
25.75.Dw
25.75.Ld
matter: viscosity
numerical calculations: Monte Carlo
heavy ion: scattering
flow
higher-order
gold
Glauber

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