Diffractive Jet Production in DIS - Testing QCD Factorisation
F. -P. Schilling
Abstract
A measurement is presented of diffractive dijet production in deep-inelastic scattering (DIS) interactions at HERA of the type ep-->eXY, where the X system is separated by a large rapidity gap from a low-mass leading baryonic system Y. The data are consistent with QCD factorisation in diffractive DIS and yield tight constraints on both shape and normalisation of the diffractive gluon distribution. The data are able to distinguish between various models for diffractive DIS and are in agreement with a 2-gluon exchange calculation at small x-pom values.
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