2004
DOI: 10.1140/epjc/s2004-02008-y
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A QCD analysis of diffractive deep-inelastic scattering data

Abstract: We perform a novel type of analysis of diffractive deep-inelastic scattering data, in which the input parton distributions of the Pomeron are parameterised using the perturbative QCD expressions. In particular, we treat individually the components of the Pomeron of different size. We are able to describe simultaneously both the recent ZEUS and H1 diffractive data. In addition to the usual two-gluon model for the perturbative Pomeron, we allow for the possibility that it may be made from two sea quarks.A notabl… Show more

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Cited by 33 publications
(49 citation statements)
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“…Several authors have analysed diffractive DIS data to extract DPDFs [5,10,16,[27][28][29][30][31][32]. In [5,6], H1 measurements are studied, with the conclusion that the data are compatible with proton vertex factorisation at low fractional proton energy losses, x I P .…”
Section: Introductionmentioning
confidence: 99%
“…Several authors have analysed diffractive DIS data to extract DPDFs [5,10,16,[27][28][29][30][31][32]. In [5,6], H1 measurements are studied, with the conclusion that the data are compatible with proton vertex factorisation at low fractional proton energy losses, x I P .…”
Section: Introductionmentioning
confidence: 99%
“…In contrast, in standard DGLAP fits based on collinear factorization with strong k T ordering no such large scale contributions exist, but similar corrections are captured order-by-order through the coefficient functions. In this context it is interesting to note that NNLO gluons b Such a form has already successfully been used in [12] for the analysis of inclusive diffractive DIS data. are much flatter (and even start to decrease at smaller x) compared to NLO fits.…”
Section: Resultsmentioning
confidence: 99%
“…The accelerator will then be ARTICLE IN PRESS (footnote continued) ments (Brodsky et al, 2002) that the diffractive part of the inclusive scattering cross-section causes shadowing corrections, which are to be subtracted prior to analysing DIS data. This in turn changes the gluon distribution significantly (Martin et al, 2004) and hence predictions one hopes to be able to firmly make for the LHC. turned off because its injector will be used to build a third generation synchrotron light source in the PETRA tunnel at DESY.…”
Section: Hera IIImentioning
confidence: 99%