Central exclusive production in QCD

T. D. Coughlin, J. R. Forshaw

    Research output: Contribution to journalArticlepeer-review


    We investigate the theoretical description of the central exclusive production process, h 1 + h 2 → h 1 + X + h 2. Taking Higgs production as an example, we sum logarithmically enhanced corrections appearing in the perturbation series to all orders in the strong coupling. Our results agree with those originally presented by Khoze, Martin and Ryskin except that the scale appearing in the Sudakov factor, μ = 0.62√ŝ, should be replaced with μ = √ŝ, where √ŝ, is the invariant mass of the centrally produced system. We confirm this result using a fixed-order calculation and show that the replacement leads to approximately a factor 2 suppression in the cross-section for central system masses in the range 100-500 GeV. © SISSA 2010.
    Original languageEnglish
    Article number121
    JournalThe Journal of High Energy Physics
    Issue number1
    Publication statusPublished - 2010


    • QCD phenomenology


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