Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9850838 | Nuclear Physics A | 2005 | 17 Pages |
Abstract
Using a hydrodynamical model we study how the order of phase transition in the equation of state of strongly interacting matter affects single particle spectra, elliptic flow and higher order anisotropies in Au + Au collisions at RHIC (sNN=200GeV energy). We find that the single particle spectra are independent of the order of phase transition and that the fourth harmonic v4(pT) shows only a weak dependence in the pT region where hydrodynamics is expected to work. The differential elliptic flow, v2(pT), of baryons shows the strongest dependence on equation of state. Surprisingly the closest fit to data was obtained when the equation of state had a strong first order phase transition and a lattice inspired equation of state fits the data as badly as a purely hadronic equation of state.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
Pasi Huovinen,