  The STAR experiment at the Relativistic Heavy-Ion Collider has performed
measurements of high transverse momentum particle production in
ultra-relativistic heavy-ion collisions. High-pT hadrons are generated from
hard parton scatterings early in the collision. The outgoing partons probe the
surrounded hot and dense matter through interactions. Recent results on high-pT
inclusive particle production and leading particle correlations in p+p, d+Au
and Au+Au collisions at sqrt(s_NN) = 200 GeV are reviewed.
