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Symmetric cumulants and event-plane correlations

Abstract : The ALICE Collaboration has recently measured the correlations between amplitudes of anisotropic flow in different Fourier harmonics, referred to as symmetric cumulants. We derive approximate relations between symmetric cumulants involving $v_4$ and $v_5$ and the event-plane correlations measured by ATLAS. The validity of these relations is tested using event-by-event hydrodynamic calculations. The corresponding results are in better agreement with ALICE data than existing hydrodynamic predictions. We make quantitative predictions for three symmetric cumulants which are not yet measured.
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Submitted on : Monday, May 30, 2016 - 3:34:44 PM
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Giuliano Giacalone, Li Yan, Jacquelyn Noronha-Hostler, Jean-Yves Ollitrault. Symmetric cumulants and event-plane correlations. Physical Review C, American Physical Society, 2016, 94, pp.014906. ⟨10.1103/PhysRevC.94.014906⟩. ⟨cea-01323501⟩

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