%0 Journal Article %T Inclusive measurements on diffractive processes in ep collisions %A Janssen %A Xavier %J Brazilian Journal of Physics %D 2007 %I Scientific Electronic Library Online %R 10.1590/S0103-97332007000500035 %X measurements from the h1 and zeus collaborations of the diffractive deep-inelastic scattering process, ep £¿ exy, where y is a proton or a low mass proton excitation, are presented for photon virtualities in the range 2.2 < q2 < 1600 gev2 and squared four-momentum transfer at the proton vertex satisfying | t | < 1 gev2. diffractive parton distribution functions and their uncertainties are determined from a next-to-leading order dglap qcd analysis. combining measurements of the inclusive diffractive deep-inelastic scattering process with an analysis of diffractive dijet production allows a very sensitive determination of both quark and gluon distributions. %K diffraction %K deep inelastic scattering. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0103-97332007000500035&lng=en&nrm=iso&tlng=en