Diffractive dijet production

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    Abstract

    We explore the diffractive interaction of a proton with an antiproton which results in centrally produced dijets. This process has been recently studied at the Tevatron. We make predictions within an Ingelman-Schlein approach and compare them to the recent data presented by the CDF Collaboration. Earlier calculations resulted in theoretical cross-sections which are much larger than those observed by CDF. We find that, after consideration of hadronisation effects and the parton shower, and using parton density functions extracted from diffractive deep inelastic scattering at HERA, it is possible to explain the CDF data. We need to assume a gap survival probability of around 10% and this is in good agreement with the value predicted by theory. We also find that the non-diffractive contribution to the process is probably significant in the kinematical region probed by the Tevatron. © 2002 Elsevier Science B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)108-114
    Number of pages6
    JournalPhysics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics
    Volume541
    Issue number1-2
    DOIs
    Publication statusPublished - 8 Aug 2002

    Keywords

    • Diffraction
    • Dijets
    • Monte Carlo
    • POMWIG

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