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arxiv: 1611.00049 · v2 · submitted 2016-10-31 · ✦ hep-ph

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NNLL resummation for the associated production of a top pair and a Higgs boson at the LHC

Alessandro Broggio , Andrea Ferroglia , Ben D. Pecjak , Li Lin Yang
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classification ✦ hep-ph
keywords resummationbosoncorrectionscrossdifferentialdistributionshiggsnnll
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We study the resummation of soft gluon emission corrections to the production of a top-antitop pair in association with a Higgs boson at the Large Hadron Collider. Starting from a soft-gluon resummation formula derived in previous work, we develop a bespoke parton-level Monte Carlo program which can be used to calculate the total cross section along with differential distributions. We use this tool to study the phenomenological impact of the resummation to next-to-next-to-leading logarithmic (NNLL) accuracy, finding that these corrections increase the total cross section and the differential distributions with respect to NLO calculations of the same observables.

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  1. Top-associated Higgs-boson production using perturbative fragmentation functions at next-to-leading-order

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