Jet vetoing at the LHC

Jeffrey Forshaw, James Keates, Simone Marzani

    Research output: Contribution to journalArticlepeer-review


    We study the effect of a veto on additional jets in the rapidity region between a pair of high transverse momentum jets at the LHC. We aim to sum the most important logarithms in the ratio of the jet transverse momentum to the veto scale and to that end we attempt to assess the significance of the super-leading logarithms that appear at high orders in the perturbative expansion. We also compare our results to those of HERWIG++, in an attempt to ascertain the accuracy of the angular ordered parton shower. We find that there are large corrections that arise for large enough jet transverse momenta as a consequence of Coulomb gluon exchanges. © SISSA 2009.
    Original languageEnglish
    Article number023
    JournalThe Journal of High Energy Physics
    Issue number7
    Publication statusPublished - 2009


    • Jets
    • QCD


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