Charm production in diffractive deep inelastic scattering
  The diffractive open charm production is computed in perturbative QCD formalism and in the Regge approach. The results are compared with recent data on charm diffractive structure function measured at DESY-HERA. Our results demonstrate that this observable can be useful to discriminate the QCD dynamics. 
V.P. Goncalves (1), M.V.T. Machado (1 and 2) ((1) Instituto de Fisica   e Matematica, UFPel, (2) High Energy Phenomenology G...