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Double Higgs production at NNLO interfaced to parton showers in GENEVA

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arxiv 2212.10489 v2 pith:HV7NWJOF submitted 2022-12-20 hep-ph hep-ex

Simone Alioli , Georgios Billis , Alessandro Broggio , Alessandro Gavardi , Stefan Kallweit , Matthew A. Lim , Giulia Marinelli , Riccardo Nagar
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Davide Napoletano
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classification hep-phhep-ex
keywords textscpartongenevashowershiggslargeproductionresummation
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

In this work, we study the production of Higgs boson pairs at next-to-next-to-leading order in QCD matched to parton showers, using the \textsc{Geneva} framework and working in the heavy-top-limit approximation. This includes the resummation of large logarithms of the zero-jettiness $\mathcal{T}_0$ up to the next-to-next-to-next-to-leading-log accuracy. This process features an extremely large momentum transfer, which makes its study particularly relevant for matching schemes such as that employed in \textsc{Geneva}, where the resummation of a variable different from that used in the ordering of the parton shower is used. To further study this effect, we extend the original shower interface designed for \textsc{Pythia8} to include other parton showers, such as \textsc{Dire} and \textsc{Sherpa}.

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Cited by 3 Pith papers

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

  1. Fully differential Higgs boson pair production at N$^3$LO with top quark mass effects

    hep-ph 2026-01 conditional novelty 7.0 of 10

    First fully differential N3LO QCD predictions for gg->hh in the heavy-top limit, with NLO top-mass effects added; heavy-top scale uncertainty shrinks about 3x, to roughly 1-3%.

  2. NNLO+PS Double Higgs boson production with top-quark mass corrections in GENEVA

    hep-ph 2025-07 conditional novelty 6.0 of 10

    First NNLO+parton-shower simulation of double Higgs production in GENEVA that includes approximate finite top-quark mass corrections (FTapprox), validated against MATRIX.

  3. Resumming transverse observables for NNLO+PS matching in GENEVA

    hep-ph 2025-05 conditional novelty 6.0 of 10

    A GENEVA NNLO+PS generator for b bbar H and c cbar H is built with qT resummation at N3LL and the first NLL' resummation of a transverse-measure one-jettiness.

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