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Higgs Self-Coupling Measurements at a 100 TeV Hadron Collider

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arxiv 1412.7154 v2 pith:OWXNH7TL submitted 2014-12-22 hep-ph hep-ex

Alan J. Barr , Matthew J. Dolan , Christoph Englert , Danilo Enoque Ferreira de Lima , Michael Spannowsky This is my paper · ORCID
classification hep-phhep-ex
keywords higgspossiblebreakingcolliderdihiggselectroweakhadronself-coupling
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An important physics goal of a possible next-generation high-energy hadron collider will be precision characterisation of the Higgs sector and electroweak symmetry breaking. A crucial part of understanding the nature of electroweak symmetry breaking is measuring the Higgs self-interactions. We study dihiggs production in proton-proton collisions at 100 TeV centre of mass energy in order to estimate the sensitivity such a machine would have to variations in the trilinear Higgs coupling around the Standard Model expectation. We focus on the two b-jets plus diphotons final state, including possible enhancements in sensitivity by exploiting dihiggs recoils against a hard jet. We find that it should be possible to measure the trilinear self-coupling with 40% accuracy given 3/ab and 12% with 30/ab of data.

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Cited by 2 Pith papers

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

  1. A new probe of the quartic Higgs self-coupling

    hep-ph 2025-05 conditional novelty 7.0 of 10

    A two-loop calculation of the Higgs wave-function renormalization opens a new, indirect probe of the quartic Higgs self-coupling through single-Higgs production at the FCC.

  2. Exploring Leptogenesis in the Era of First Order Electroweak Phase Transition

    hep-ph 2025-04 unverdicted novelty 6.0 of 10

    Low-scale leptogenesis becomes viable in the neutrino seesaw framework when a first-order electroweak phase transition allows sphalerons to convert lepton asymmetry into baryon asymmetry at temperatures below the Stan...

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