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PreprintCC BY 4.0arXiv

New massive resonances at the LHC

  • Rosy Caliri
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Abstract

We investigate composite Higgs models arising from a gauge-fermionic UV completion with partial compositeness, where the Higgs boson emerges as a pseudo-Nambu-Goldstone boson (pNGB), and top-partners appear as bound states of three hyperfermions, with SU(2)L × SU(2)R as the unbroken global subgroup. A bunch of new bound states is predicted by composite Higgs models: spin-0, spin-1/2 and spin-1 resonances. In this work we focus on the phenomenology of the spin-1 resonances. We demonstrate that a generic prediction of these models is the existence of two neutral and one charged spin-1 resonances, which mix significantly with the SM gauge bosons. This mixing allows their single production in Drell-Yan processes at the LHC. We study the LHC phenomenology of these states and identify scenarios where their masses could be as low as 1.5 TeV, consistent with the existing LHC data.

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Cite

BibTeXRIS
BibTeX
@misc{caliri2026massive,
  title = {{New massive resonances at the LHC}},
  author = {Rosy Caliri},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.19919},
  eprint = {2609.19919},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.19919},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - New massive resonances at the LHC
AU  - Rosy Caliri
PY  - 2026
DA  - 2026/09/21
PB  - arXiv
DO  - 10.48550/arxiv.2609.19919
UR  - https://arxiv.org/abs/2609.19919
AB  - We investigate composite Higgs models arising from a gauge-fermionic UV completion with partial compositeness, where the Higgs boson emerges as a pseudo-Nambu-Goldstone boson (pNGB), and top-partners appear as bound states of three hyperfermions, with SU(2)_L × SU(2)_R as the unbroken global subgroup. A bunch of new bound states is predicted by composite Higgs models: spin-0, spin-1/2 and spin-1 resonances. In this work we focus on the phenomenology of the spin-1 resonances. We demonstrate that a generic prediction of these models is the existence of two neutral and one charged spin-1 resonances, which mix significantly with the SM gauge bosons. This mixing allows their single production in Drell-Yan processes at the LHC. We study the LHC phenomenology of these states and identify scenarios where their masses could be as low as 1.5 TeV, consistent with the existing LHC data.
ER  -