Jet-fluid string formation and decay in high-energy heavy-ion collisions

Details Jet-fluid string formation and decay in high-energy heavy-ion collisions Jet-fluid string formation and decay in high-energy heavy-ion collisions

2007-02-22

arxiv.org/abs/nucl-th/0702068v1

Int.J.Mod.Phys.E16:2338-2343,2007

Physics

Nuclear Physics

Nuclear Theory

6 pages, 2 figures; Proceeding for poster sessions at Quark Matter 2006, Shanghai, China, 14-20 November 2006; to appear in In

Scientific paper

10.1142/S0218301307007908

We propose a new hadronization mechanism, jet-fluid string (JFS) formation and decay, to understand observables in intermediate to high-$p_{T}$ regions comprehensively. In the JFS model, hard partons produced in jet lose their energy in traversing the QGP fluid, which is described by fully three-dimensional hydrodynamic simulations. When a jet parton escapes from the QGP fluid, it picks up a partner parton from a fluid and forms a color singlet string, then it decays to hadrons. We find that high-$p_T$ $v_2$ values in JFS are about two times larger than in the independent fragmentation model.

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