Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2009-04-22
Prog.Part.Nucl.Phys.62:425-426,2009
Physics
Nuclear Physics
Nuclear Experiment
2 pages, 1 figure, contribution to proceedings of International School of Nuclear Physics, 30th Course, Heavy-Ion Collisions f
Scientific paper
10.1016/j.ppnp.2008.12.012
The elliptic flow (squeeze-out) of neutrons, protons and light complex particles in reactions of neutron-rich systems at relativistic energies is proposed as an observable sensitive to the strength of the symmetry term in the equation of state at supra-normal densities. Preliminary results from a study of the existing FOPI/LAND data for 197Au + 197Au collisions at 400 A MeV with the UrQMD model favor a moderately soft symmetry term with a density dependence of the potential term proportional to (rho/rho_0)^gamma with gamma = 0.6+-0.3.
Chartier Michel
Leifels Yvonne
Lemmon R. C.
Li Qian
Lukasik J.
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