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Double Higgs Production in Vector Boson Fusion at NLO QCD in HEFT
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Double Higgs Production in Vector Boson Fusion at NLO QCD in HEFT
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We present the next-to-leading order QCD corrections to Higgs boson pair production in vector boson fusion, including the leading operators in the framework of Higgs Effective Field Theory (HEFT). The corresponding calculation is based on an automated interface between the Monte Carlo event generator Whizard and the one-loop amplitude generator GoSam. The QCD corrections also include non-factorising diagrams and diagrams of Higgs-Strahlung type, thus going beyond the structure function approach. We find that some constellations of anomalous couplings, while being well within the current experimental constraints, can have a significant impact on the shape of typical observables for this process.
Forward citations
Cited by 2 Pith papers
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A HEFT Perspective on the Type-II Seesaw Model and the Complete Basis of Lepton-Number-Violating Operators
First complete tree-level HEFT matching of the type-II seesaw and a Hilbert-series-checked, flavor-complete basis of lepton-number-violating HEFT operators through O(p^4).
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Precise predictions for double Higgs production in association with a vector boson in Effective Field Theory
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.
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