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High pT identified particles @ PHENIX: Summary (I)
Two most interesting physical “discoveries” @ RHIC:
- 1. High pT suppression.
- 2. High pT baryon/meson enhancement.
“Clear signals of strong medium effects at work !”
What can we learnt about the medium properties ?
Final-state partonic jet quenching + parton recombination ? (QGP)
Initial-state saturation of nuclear wave functions ? (CGC)
Final-state hadronic absorption ? (very dense hadron medium)
Answers:
- Experimental: Detailed analysis of Au+Au (d+Au) suppression pattern.
- Theoretical: Does scenario “X” consistently explains: the magnitude, pT dependence, centrality evolution, and flavor behaviour of RHIC high-pT suppression ?
Notes: