The origin of the observed scaling violations in inclusive e'e' * Work supported in part by the Department of Energy under contract number DE-ACU3-76SF00515.
We h a v e determined the theoretical predictions for the cross-sections of squark and gluino production at p p and pp colliders (Tevatron and LHC) in next-to-leading order of supersymmetric QCD. By reducing the dependence on the renormalization/factorization scale considerably, the theoretically predicted values for the cross-sections are much more stable if these higher-order corrections are implemented. If squarks and gluinos are discovered, this improved stability translates into a reduced error on the masses, as extracted experimentally from the size of the production cross-sections. The cross-sections increase signicantly if the next-to-leading order corrections are included at a renormalization/factorization scale near the average mass of the produced massive particles. This rise results in improved lower bounds on squark and gluino masses. By contrast, the shape of the transverse-momentum and rapidity distributions remains nearly unchanged when the next-to-leading order corrections are included.Research supported by a fellowship of the Royal Dutch Academy of Arts and Sciences.
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