High pT @ PHENIX: Summary (III)

Peripheral Au+Au collisions:
Behave effectively as p+p collisions plus Ncoll scaling (expected pQCD behaviour) for all species and for all observables !

d+Au collisions:

No suppression observed in min. bias d+Au (and p+Au) reactions.
Cronin-like enhancement for p0 (small) and h± (larger).
No “cold” nuclear matter effects (shadowing, strong modification of nuclear PDFs) seem to explain high pT Au+Au suppression.

Data vs. theory:

pQCD-based final-state parton energy loss models reproduce more aspects of the data (Au+Au, d+Au) than other approaches.
Non negligible “leftovers” lacking consistent explanation.