Short-Distance Behavior of Spontaneously Broken Quantum Chromodynamics (original) (raw)

Physical Review Letters, 1982

Abstract

Light, colored scalars are shown to preserve all presently observed short-distance properties of quantum chromodynamics even when belonging to large multiplets of SU(3)/sub c/. However, light-scalar pair production by gluon fusion dominates hadronic high-p/sub T/ single-particle inclusive production cross sections at p-barp collider energies (..sqrt..s = 540 GeV) and two-jet production even at ..sqrt..sroughly-equal50--60 GeV. Embedding in a unified SU(5) theory requires many scalars to be superheavy in order to preserve asymptotic freedom below the unification mass.

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