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- TitleInitial conditions for heavy ion collisions with QCD kinetic theory
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- LanguageEnglish
- Document typeConference Proceedings
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Abstract
We employ the leading order QCD kinetic theory to describe a consistent matching between
the initial stage of a heavy ion collision and the subsequent hydrodynamic evolution. We use
the linearized kinetic response functions around the non-equilibirum longitudinally expanding
background to map initial energy and momentum perturbations to the energy momentum tensor
at hydrodynamic initialization time τ hydro . We check that hadronic observables then become
rather insensitive to the cross-over time between kinetic theory and viscous hydrodynamics. The
universal scaling of kinetic response in units of kinetic relaxation time allows for a
straightforward application of kinetic pre-equilibration event-by-event.
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