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NNLO QCD corrections to Higgs pair production via vector boson fusion at hadron colliders
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abstract
The measurement of the Higgs pair production via vector boson fusion can be used to test the trilinear Higgs self-coupling and the $VVHH$ $(V=Z,W)$ quartic gauge interactions. In this paper we present the calculations of the next-to-next-to-leading-order QCD corrections to the SM Higgs boson pair production via vector boson fusion at hadron colliders with the center-of-mass energy of $14$, $33$, and $100 {\rm TeV}$ by using the structure function approach, and study the residual uncertainties from the factorization/renormalization scale, parton distribution functions and $\alpha_s$ on the total cross section. We also provide the distributions of transverse momenta, rapidities, invariant mass and azimuthal angle separations of final Higgs bosons. We observe a considerable quantitative reduction in the scale uncertainty due to the next-to-next-to-leading-order QCD corrections, and find that the total cross section is sensitive to the trilinear Higgs self-coupling.
Forward citations
Cited by 4 Pith papers
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Double Higgs Production in Vector Boson Fusion at NLO QCD in HEFT
Full NLO QCD predictions for pp -> hhjj production in VBF with HEFT couplings cλ, cV, c2V, including non-factorising and Higgs-strahlung diagrams, show that some allowed coupling combinations reshape key observables.
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Precision tools for the simulation of double-Higgs production via vector-boson fusion
New and extended Monte Carlo tools for vector-boson-fusion double-Higgs production now support anomalous Higgs couplings, and show that NLO-plus-shower predictions approximate NNLO results while non-factorizable QCD c...
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Improved analysis of non-resonant Higgs boson pair production in the $b\bar{b}\tau^+\tau^-$ final state with $196$ fb$^{-1}$ of data collected at $\sqrt{s}$ = 13 TeV and 13.6 TeV with the ATLAS detector
ATLAS finds μ_HH = 2.6^{+1.4}_{-1.0} in bbττ with Run 2+3 data, 2.6σ over background-only, and first 3.5σ evidence for ZH in this final state.
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Study of Higgs boson pair production in the $HH \rightarrow b \overline{b} \gamma \gamma$ final state with 308 fb$^{-1}$ of data collected at $\sqrt{s} =$ 13 TeV and 13.6 TeV by the ATLAS experiment
Updated ATLAS search for HH → bbγγ with 308 fb⁻¹ yields observed μ_HH = 0.9^{+1.4}_{-1.1}, 95% CL limit μ_HH < 3.7, and κ_λ in [-1.6, 6.6].
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