Chiho Nonaka

Hadronization in heavy ion collisions: Recombination and fragmentation of partons

We argue that the emission of hadrons with transverse momentum up to about 5 GeV/c in central relativistic heavy ion collisions is dominated by recombination, rather than fragmentation of partons. This mechanism provides a natural explanation for the observed constant baryon-to-meson ratio of about one and the apparent lack of a nuclear suppression of the baryon yield in this momentum range. Fragmentation becomes dominant at higher transverse momentum, but the transition point is delayed by the energy loss of fast partons in dense matter.

Hadron production in heavy ion collisions: Fragmentation and recombination from a dense parton phase

We discuss hadron production in heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC). We argue that hadrons at transverse momenta

Systematic comparison of jet energy-loss schemes in a realistic hydrodynamic medium

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Space-time evolution of bulk QCD matter

are formed by recombination of partons from the dense parton phase created in central collisions at RHIC. We provide a theoretical description of the recombination process for

Lattice QCD at Finite Density An Introductory Review

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Hydrodynamical evolution near the QCD critical end point

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Behavior of hadrons at finite density.: Lattice study of color SU(2) QCD

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Lattice study of low-lying nonet scalar mesons in quenched approximation

our results smoothly match a purely statistical description. At high transverse momentum hadron production is well described in the language of perturbative QCD by the fragmentation of partons. We give numerical results for a variety of hadron spectra, ratios, and nuclear suppression factors. We also discuss the anisotropic flow

Jet quenching in a three-dimensional hydrodynamic medium

{v}_{2}

Elliptic flow of resonances in relativistic heavy ion collisions: Probing final state interactions and the structure of resonances

and give results based on a flow in the parton phase. Our results are consistent with the existence of a parton phase at RHIC hadronizing at a temperature of