Abstract
We review recent progresses on jet quenching measurements by the PHENIX experiment. With increased statistics, PHENIX has gone beyond the single hadron suppression R A A , and made measurements on multiple jet quenching observables, such as v 2 , I A A and v 2 I A A . We argue that, by combining these observables together, one can achieve a better understanding of the energy loss mechanism. We present new γ-hadron correlation results with associated hadrons extended to low p T ; an enhancement has been observed, suggesting a contribution of genuine medium response that is relatively unbiased by the initial geometry fluctuations. The status of full jet reconstruction and future perspective of the PHENIX jet quenching program are discussed.
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