Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2011-04-25
Phys.Rev.C84:034910,2011
Physics
Nuclear Physics
Nuclear Theory
4 pages, 1 figure, figure data included with source; v2: minor improvements, moved section on analysis method to QM proceeding
Scientific paper
10.1103/PhysRevC.84.034910
We present a number of independent flow observables that can be measured using multiparticle azimuthal correlations in heavy-ion collisions. Some of these observables are already well known, such as v2{2} and v2{4}, but most are new--in particular, joint correlations between v1, v2 and v3. Taken together, these measurements will allow for a more precise determination of the medium properties than is currently possible. In particular, by taking ratios of these observables, we construct quantities which are less sensitive to the hydrodynamic response of the medium, and thus more directly characterize the initial-state fluctuations of the event shape, which may constrain models for early-time, non-equilibrium QCD dynamics. We present predictions for these ratios using two Monte-Carlo models, and compare to available data.
Bhalerao Rajeev S.
Luzum Matthew
Ollitrault Jean-Yves
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