What's in the Loop? The Anatomy of Double Higgs Production

Abstract

Determination of Higgs self-interactions through the double Higgs production from gluon fusion is a major goal of current and future collider experiments. We point out this channel could help disentangle and resolve the nature of ultraviolet contributions to Higgs couplings to two gluons. Analytic properties of the double Higgs amplitudes near kinematic threshold are used to study features resulting from scalar and fermionic loop particles mediating the interaction. Focusing on the hh invariant mass spectrum, we consider the effect from anomalous top and bottom Yukawa couplings, as well as from scalar and fermionic loop particles. In particular, the spectrum at high hh invariant mass is sensitive to the spin of the particles in the loop.

31 pages, 21 figures; minor changes, matches journal version

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Cited by in corpus (16)

• Benchmarking Di-Higgs Production in Various Extended Higgs Sector Models
• Implications of CP-violating Top-Higgs Couplings at LHC and Higgs Factories
• Invisible Decays in Higgs Pair Production
• Uncovering the High Scale Higgs Singlet Model
• Charting the Higgs self-coupling boundaries
• Multi-Higgs Boson Production with Anomalous Interactions at Current and Future Proton Colliders
• Leptoquark-assisted Singlet-mediated Di-Higgs Production at the LHC
• Disentangling the high and low cutoff scales via the trilinear Higgs couplings in the type-I two-Higgs-doublet model
• Di-Higgs production as a probe of flavor changing neutral Yukawa couplings
• Prospects for exotic $h\to 4\tau$ decays in single and di-Higgs boson production at the LHC and future hadron colliders
• Di-Higgs production at the LHC and beyond
• Enhanced Higgs pair production from higgsino decay at the HL-LHC
• On the reinterpretation of non-resonant searches for Higgs boson pairs
• Shape analysis in Higgs boson pair production
• Scalar leptoquark contributions to the $gg\to Zh$ process
• Di-Higgs Production in SUSY models at the LHC