NNLO Calculation of DIS; Precision Determination of the Strong Coupling Constant, Extraction of the Gluon Density, and Comments on "Hidden" Gluinos
Abstract
Calculations of deep inelastic processes (DIS) to next-to-next to leading order are discussed. Fitting ep experiment in the range 2.5≤ Q2≤ 230 GeV2, we find the coupling αs(MZ2)=0.11630.0023. We also get the gluon density xG(x,Q2 10 GeV2)=0.51 x-0.44(1-x)8.1, and negative evidence for the existence of light gluinos
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