Anisotropy as a Consequence of Pre-equilibrium Rescattering
Filip, Peter
Original · EN
It is shown that azimuthal asymmetry in transverse momentum distribution of particles observed in non-central heavy ion collisions can originate from pre-equilibrium rescattering. The phenomenon is studied using computer simulation of expanding pion gas created in Pb+Pb 160 GeV/n collisions. Results obtained are discussed in comparison with experimental results of NA49 collaboration. Theoretical understanding of mechanism generating the asymmetry is presented. Conclusion about non-equilibrium properties of the phenomenon studied is drawn.
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