Abstract
The latest e+e--annihilation and pp collider results on jet physics and tests of QCD are reviewed. Within the framework of QCD shower models, hadronic event shapes and their energy evolution which are observed in e+e- annihilation are well described by QCD scaling violations plus an energy independent parametrization of hadronization. The energy dependence of jet production rates, observed in e+e- annihilation at square root s=29 to 91 GeV, provides evidence for asymptotic freedom. Angular correlations within four-jet final states of Z0 decays further confirm the non-Abelian nature of the strong interaction. A compilation of alpha S measurements at LEP and SLC results in alpha S(M(Z0))=0.118+or-0.008 in O( alpha S2), where the error is dominated by theoretical uncertainties. Jet production at the pp colliders provides significant tests of leading and next-to-leading order QCD calculations.
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