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Correlation between trigger and associated particles in jets produced on nearand away sides of high-p_T triggers in heavy-ion collisions is studied.Hadronization of jets on both sides is treated by thermal-shower andshower-shower recombination. Energy loss of semihard and hard partonstraversing the nuclear medium is parametrized in a way that renders good fit ofthe single-particle inclusive distributions at all centralities. The associatedhadron distribution in the near-side jet can be determined showing weakdependence on system size because of trigger bias. The inverse slope increaseswith trigger momentum in agreement with data. The distribution of associatedparticle in the away-side jet is also studied with careful attention given toantitrigger bias that is due to the longer path length that the away-side jetrecoiling against the trigger jet must propagate in the medium to reach theopposite side. Centrality dependence is taken into account after determining arealistic probability distribution of the dynamical path length of the partontrajectory within each class of centrality. For symmetric dijets withp_T^{trig}=p_T^{assoc}(away) it is shown that the per-trigger yield isdominated by tangential jets. The average parton momentum for the recoil jet isshown to be always larger than that of the trigger jet for fixed p_T^{trig} andcentrality and for any measurable p_T^{assoc}(away). With the comprehensivetreatment of dijet production described here it is possible to answer manyquestions regarding the behavior of partons in the medium under conditions thatcan be specified on measurable hadron momenta.

Hadron Correlation in Jets on the Near and Away Sides of High-p_T Triggers in Heavy-ion Collisions