Abstract
The rate of diffractive open charm production in DIS at HERA probes the gluonic content of the pomeron. The measured cross section σ(ep → e (D ∗±X)Y) is presented differentially as a function of observables exploring the dynamics of the process. The results are compared with a model based on a partonic pomeron as determined in a QCD analysis of the diffractive structure function, with perturbative QCD calculations of two gluon exchange and with a soft color interaction model.
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