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  • Letter
  • Open Access

Multiboson splashes at future colliders from electroweak compositeness

G. Cacciapaglia1,2,*, A. Deandrea3,4,†, A. M. Iyer5,‡, S. Kulkarni6,§, and A. K. Singh5,∥

  • *Contact author: g.cacciapaglia@ipnl.in2p3.fr
  • †Contact author: deandrea@ip2i.in2p3.fr
  • ‡Contact author: iyerabhishek@physics.iitd.ac.in
  • §Contact author: suchita.kulkarni@uni-graz.at
  • ∥Contact author: Abhishek.Kumar.Singh@physics.iitd.ac.in
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Phys. Rev. D 112, L111304 – Published 30 December, 2025

DOI: https://doi.org/10.1103/fdjh-kjy4

Abstract

We propose a new collider signature for the composite origin of the electroweak symmetry breaking of the standard model. The Higgs sector consists of new fundamental fermions (hyperquarks), which confine at a hadronization scale ΛHC∼few  TeV. At energies above ΛHC, the Drell-Yan production of the hyperquarks leads to the production of a few electroweak bosons, in analogy with hadron production in QCD at e+e−→qq¯ around a few GeV. We show that this regime can be probed at future colliders, namely the proposed 100 TeV hadron collider (FCC-hh) and a 10 TeV muon collider. Together with the direct discovery of electroweak resonances, the multi-electroweak boson signature provides a smoking gun for Higgs compositeness.

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Outline

Information

Phys. Rev. D 112, L111304– Published 30 December, 2025
  • Received 26 July 2025
  • Accepted 24 November 2025
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