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ISI gluon saturation (āCGCā) models vs. data
Caveat: High pT at midrapidity at RHIC is above Qs ~ 1-2 GeV/c (straight application of CGC questionable in first instance).
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Magnitude of Au+Au suppression ļ saturated Au wave function (Kharzeev et al.). But: no suppression expected by Baier et al.
- Centrality dependence of Au+Au suppression ļ Npart scaling -like observed (modulo quantitative details).
- Some deficit expected in d+Au collisions (Kharzeev et al.).
- d+Au Cronin enhancement built in the initial wave function (Baier et al.). Similar conclusions by J.Jalilian too (though no calculations at y = 0).
- Somewhat confusing interpretation of Au+Au, d+Au results. More converging agreement needed ...
Notes: