Probing the theoretical description of central exclusive production

Tim Coughlin, Jeffrey Forshaw

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We investigate the theoretical description of the central exclusive production process, h1 +h2 → h1 +X +h 2. Taking Higgs production as an example, we compute the subset of next-to-leading order corrections sensitive to the Sudakov factor appearing in the process. 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 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. © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.
    Original languageEnglish
    JournalProceedings of Science
    Publication statusPublished - 2010

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