ar X iv : h ep - p h / 07 01 13 0 v 1 1 7 Ja n 20 07 Direct Photons in Ion Collisions at FAIR Energies

ar X iv : h ep - p h / 00 09 23 7 v 3 2 9 Ja n 20 01 “ Bottom - up ” thermalization in heavy ion collisions

We describe how thermalization occurs in heavy ion collisions in the framework of perturbative QCD. When the saturation scale Q s is large compared to Λ QCD , thermalization takes place during a time of order α −13/5 Q −1 s and the maximal temperature achieved is α 2/5 Q s .

ar X iv : h ep - p h / 01 02 19 2 v 1 1 5 Fe b 20 01 1 Dileptons and photons from central heavy - ion collisions at CERN - SPS

A unique parameterization of secondary (thermal) dilepton and photon yields in heavy-ion experiments at CERN-SPS is proposed. Adding those thermal yields to background contributions the spectral shapes of the CERES/NA45, NA38, NA50, HELIOS/3 and WA98 data from experiments with lead and sulfur beams can be well described.

ar X iv : h ep - l at / 0 70 10 10 v 1 1 4 Ja n 20 07 1 EQUILIBRIUM THERMODYNAMICS OF LATTICE QCD

Lattice QCD allows us to simulate QCD at non-zero temperature and/or densities. Such equilibrium thermodynamics calculations are relevant to the physics of relativistic heavy-ion collisions. I give a brief review of the field with emphasis on our work.

ar X iv : h ep - t h / 03 01 12 7 v 1 1 7 Ja n 20 03 Supersymmetry in Spaces of Constant Curvature

ar X iv : h ep - p h / 07 01 02 9 v 1 4 J an 2 00 7 Chemical Equilibrium in Heavy Ion Collisions : Rapidity Dependence

Particle yields in heavy ion collisions show an overwhelming evidence for chemical or relative chemical equilibrium at all beam energies. The rapidity dependence of the thermal parameters T and µ B can now be determined over a wide range of rapidities and show a systematic behavior towards an increase in µ B away from mid-rapidity.