Top Partners Searches and Composite Higgs Models

Abstract

Colored fermionic partners of the top quark are well-known signatures of the Composite Higgs scenario and for this reason they have been and will be subject of an intensive experimental study at the LHC. Performing an assessment of the theoretical implications of this experimental effort is the goal of the present paper. We proceed by analyzing a set of simple benchmark models, characterized by simple two-dimensional parameter spaces where the results of the searches are conveniently visualized and their impact quantified. We only draw exclusion contours, in the hypothesis of no signal, but of course our formalism could equally well be used to report discoveries in a theoretically useful format.

32 pages, 15 figures

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• The Impact of Dimension-8 SMEFT Contributions: A Case Study
• Composite Dynamics in the Early Universe
• Vector and Axial-vector resonances in composite models of the Higgs boson
• Precision Tests and Fine Tuning in Twin Higgs Models
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• The Global Higgs as a Signal for Compositeness at the LHC
• A UV Complete Compositeness Scenario: LHC Constraints Meet The Lattice
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• Same-sign W pair production in composite Higgs models
• Probing top-antitop resonances with $t\bar{t}$ scattering at LHC14