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Precision tools for the simulation of double-Higgs production via vector-boson fusion

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arxiv 2502.09112 v2 pith:S7QEV3ZQ submitted 2025-02-13 hep-ph hep-ex

Barbara Jäger , Alexander Karlberg , Simon Reinhardt This is my paper
classification hep-phhep-ex
keywords couplingshiggscorrectionsnnloorderpredictionsanomalousfind
verification ladder T0 review T1 audit T2 compute T3 formal
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We present two precision tools for the simulation of Higgs-pair production via vector-boson fusion in the kappa framework for the parameterization of non-standard Higgs couplings. A new implementation of the process is developed in the framework of the POWHEG BOX program that can be used to provide predictions at the next-to-leading order (NLO) of QCD matched to parton showers (PS). In addition, the existing proVBFHH program for the computation of next-to-next-to-leading order (NNLO) QCD and next-to-next-to-next-to-leading order QCD corrections is extended to account for values of the Higgs couplings different from the expectation of the Standard Model. We systematically compare and analyse predictions obtained with the two programs and find that the NLO+PS predictions provide a good approximation of the NNLO results for observables of the tagging jets and Higgs bosons. The results turn out to be very sensitive to the values of the modified Higgs couplings. Finally we study the non-factorizable NNLO QCD corrections to the process in the presence of anomalous couplings. We find that the size of the non-factorizable corrections is very sensitive to the anomalous couplings.

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Cited by 2 Pith papers

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

  1. Precise predictions for double Higgs production in association with a vector boson in Effective Field Theory

    hep-ph 2026-07 conditional novelty 6.0 of 10

    First NNLO QCD cross sections for pp→Vhh in SMEFT and HEFT, provided as interpolated coefficients; W±hh K-factors are almost EFT-independent while Zhh is sensitive to gluon-initiated contributions.

  2. Harnessing Higgs Kinematics for HEFT Constraints

    hep-ph 2025-06 conditional novelty 4.0 of 10

    Reweighting Standard Model di-Higgs events with a momentum-dependent HEFT coupling gives expected Run 3 and HL-LHC constraints on a_22 and a_dd2, with four-top data helping to pin down a_22.

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