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Creators/Authors contains: "Kim, Youngjin"

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  1. ; (, Journal of High Energy Physics)
    A<sc>bstract</sc> We present a calculation of pseudoscalar Higgs production in association with a jet at Next-to-Next-to Leading Order (NNLO) accuracy in QCD. We work in an effective field theory in whichmt→ ∞ resulting in effective operators which couple the pseudoscalar to gluons and (massless) quarks. We have calculated all of the relevant amplitudes for the two-loop, one-loop and tree-level contributions. As a cross-check of our calculation we have re-calculated all of the scalar Higgs plus parton amplitudes and perform a detailed comparison to the literature. In order to regulate the infra-red singularities present at this order we employ theN-jettiness slicing method. In addition to a detailed validation of our calculation at this order we investigate LHC phenomenology for a selection of pseudoscalar Higgs masses. Our results are implemented into the parton-level Monte Carlo code MCFM. 
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  2. (, The 10th IEEE CSDE 2023, the Asia-Pacific Conference on Computer Science and Data Engineering 2023)
    Accepted Manuscript Full Text Available