Directed flow in ultrarelativistic heavy-ion collisions
arXiv:1002.4999 · doi:10.1103/PhysRevC.81.054902
Abstract
We study the generation of directed flow in the hydrodynamic expansion of the hot matter formed in ultrarelativistic heavy-ion collisions at 200GeV. The experimentally observed negative directed flow in a wide range of central pseudorapidities isreproduced assuming that the fireball is tilted away from the collision axis. The tilt of the source is consistent with a preferential emission in the forward/backward hemisphere from forward/backward participating nucleons. The model reproduces the experimentally observed scaling of the directed flow when going from Au-Au to Cu-Cu systems.
figure added
References in corpus (10)
- Angular momentum conservation in heavy ion collisions at very high energy
- Hydrodynamic Models for Heavy Ion Collisions
- Therminator: Thermal heavy-Ion generator
- System-size independence of directed flow at the Relativistic Heavy-Ion Collider
- Initial condition for hydrodynamics, partonic free streaming, and the uniform description of soft observables at RHIC
- Rapid hydrodynamic expansion in relativistic heavy-ion collisions
- Energy and system size dependence of charged particle elliptic flow and $v_2/\eps$ scaling
- Forward-backward multiplicity correlations in the wounded nucleon model
- Longitudinal fluid dynamics for ultrarelativistic heavy-ion collisions
- Viscous evolution of the rapidity distribution of matter created in relativistic heavy-ion collisions