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“QGP” models (FSI parton energy loss) vs. data (I)
Foreword: Jet quenching is a true prediction of QGP models.
Magnitude of Au+Au suppression properties of dense medium:
- High opacities: <n> = L/≈ 3 – 4
- Large initial gluon densities: dNg/dy ~ 800-1200
- Transport coefficients: <q0> ~ 3.5 GeV/fm2
- Radiative energy losses: dE/dx ≈ 0.25 GeV/fm (expand.) ≈ 14 GeV/fm (static)
- Centrality dependence of Au+Au suppression (detailed comparison of quenching vs Npart needed).
- xT dependence of Au+Au yields indication of perturbative (hard) mechanisms (modulo baryons in central reactions).
- No suppression in d+Au collisions.
Notes: