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Top-quark pair hadroproduction in association with a heavy boson at NLO+NNLL including EW corrections

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arxiv 1907.04343 v1 pith:24K5ZBBU submitted 2019-07-09 hep-ph

Alessandro Broggio , Andrea Ferroglia , Rikkert Frederix , Davide Pagani , Benjamin D. Pecjak , Ioannis Tsinikos This is my paper · ORCID
classification hep-ph
keywords predictionsalphabosoncorrectionspairtop-quarkaccuracyadding
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abstract

This work studies the associated production of a top-quark pair with a $W$, $Z$, or Higgs boson at the LHC. Predictions for the total cross sections as well as for several differential distributions of the massive particles in the final state are provided. These predictions, valid for the LHC operating at $13$ TeV, include without any approximation all the NLO electroweak and QCD contributions of $\mathcal{O}(\alpha_s^{i} \alpha^{j+1})$ with $i+j=2,3$. In addition, the predictions presented here improve upon the NLO QCD results by adding the effects of soft gluon emission corrections resummed to next-to-next-to-leading logarithmic accuracy. The residual dependence of the predictions on scale and PDF choices is analyzed.

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Forward citations

Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The inseparable three and four tops

    hep-ph 2026-07 conditional novelty 7.0 of 10

    Full-NLO predictions for tttW production, combined with tttt through a new window-removal prescription, give a joint inclusive rate more than 10% above the on-shell four-top prediction.

  2. Next-to-next-to-leading order event generation for $t\bar{t}H$ production with approximate two-loop amplitude

    hep-ph 2026-03 conditional novelty 6.0 of 10

    First NNLO+PS (MiNNLOPS) generator for ttH production, combining soft-Higgs and high-energy approximate two-loop amplitudes pointwise, with one-loop-level validation.

  3. Advancing Higgsino Searches by Integrating ML for Boosted Object Tagging and Event Selection

    hep-ph 2025-01 conditional novelty 6.0 of 10

    A GNN-plus-BDT analysis of fat jets is projected to extend GGM higgsino exclusion reach to 1470 GeV at 14 TeV with 200 fb-1, up from roughly 1025 GeV in current CMS searches.

  4. Revisiting Universal Extra-Dimension Model with Gravity Mediated Decays

    hep-ph 2024-12 conditional novelty 5.0 of 10

    Existing LHC data exclude fat-brane mUED compactification scales below about 3 TeV, and ML-tagged searches at 500 fb^-1 could extend the reach to roughly 3.2 to 3.4 TeV.

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