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Final-state effects in a dense hadronic medium ?
Assumption: fast parton hadronization time implies rescattering of “pre-hadrons” (colorless but not fully formed) inside expanding (hadronic) fireball.
Nuclear modification factor: [expanding system with εinit≈1 GeV/fm3 (*) ]
State-of-the-art hadronic models (HSD, UrQMD) produce suppression but ...