Multi-Higgs Boson Production with Anomalous Interactions at Current and Future Proton Colliders

Abstract

We investigate multi-Higgs boson production at proton colliders, in a framework involving anomalous interactions, focusing on triple Higgs boson production. We consider modifications to the Higgs boson self-couplings, to the Yukawa interactions, as well as new contact interactions of Higgs bosons with either quarks or gluons. To this end, we have developed a MadGraph5_aMC@NLO loop model, publicly available at https://gitlab.com/apapaefs/multihiggs_loop_sm, designed to incorporate the relevant operators in the production of multiple Higgs bosons (and beyond). We have performed cross section fits at various energies over the anomalous interactions, and have derived constraints on the most relevant anomalous coefficients, through detailed phenomenological analyses at proton-proton collision energies of 13.6 TeV and 100 TeV, through the 6 $b$-jet final state.

41 pages, 13 figures, 17 tables. Monte Carlo model for MG5_aMC can be found at: https://gitlab.com/apapaefs/multihiggs_loop_sm. Matches published version. arXiv admin note: text overlap with arXiv:1504.01707 by other authors

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• HHH Whitepaper
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• Probing the Inert Doublet Model via Vector-Boson Fusion at a Muon Collider
• High Energy Vector Boson Scattering in Four-Body Final States to Probe Higgs Cubic, Quartic, and HEFT interactions
• Extracting Higgs Self-Coupling Constraints through Triple Higgs Boson Production at Future Hadron Colliders
• Constraining the Higgs potential using multi-Higgs production