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Journal Articles Physical Review C Year : 2014

Constraining models of initial conditions with elliptic and triangular flow data

Abstract

We carry out a combined analysis of elliptic and triangular flow data using viscous relativistic hydrodynamics. We show that these data allow to put tight constraints on models of the early dynamics of a nucleus-nucleus collision. Specifically, the rms values of the initial ellipticity $\varepsilon_2$ and the initial triangularity $\varepsilon_3$ are constrained to lie within a narrow band for each centrality. We use these constraints as a filter for existing Monte-Carlo models of initial state, and provide a simple test that can be performed on any candidate model to determine its compatibility with data.
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Dates and versions

cea-01326348 , version 1 (03-06-2016)

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Ekaterina Retinskaya, Matthew Luzum, Jean-Yves Ollitrault. Constraining models of initial conditions with elliptic and triangular flow data. Physical Review C, 2014, 89 (1), pp.014902. ⟨10.1103/PhysRevC.89.014902⟩. ⟨cea-01326348⟩
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