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PreprintCC BY 4.0arXiv

Exploring Extended Higgs Dynamics via Higgsstrahlung at FCC-ee

  • Anisha
  • Francisco Arco
  • Stefano Di Noi
  • Christoph Englert
  • Margarete Mühlleitner
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Abstract

The Future Circular Electron-Positron Collider (FCC-ee) will probe aspects of the Higgs boson and the electroweak scale with unprecedented precision via associated Higgs production with a Z boson. We focus on the Two-Higgs-Doublet Model (2HDM) to frame the FCC-ee's precision constraints within a small, concrete parameter space at next-to-leading order. We demonstrate that the projected precision of the FCC-ee's 240 GeV run will enable a precise analysis of Beyond-the-Standard-Model (BSM)-relevant Higgs-sector interactions near the alignment limit. As the key aspects of the 2HDM that drive deviations of the cross section from its Standard Model expectation (presence of new scalar states, Higgs mixing, and non-trivial inter-Higgs couplings) are also typically present in extensions more complex than the 2HDM, this demonstrates the FCC-ee's indirect potential for unveiling BSM physics around the electroweak scale.

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Cite

BibTeXRIS
BibTeX
@misc{anisha2026exploring,
  title = {{Exploring Extended Higgs Dynamics via Higgsstrahlung at FCC-ee}},
  author = {Anisha and Francisco Arco and Stefano Di Noi and Christoph Englert and Margarete Mühlleitner},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.04039},
  eprint = {2609.04039},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.04039},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Exploring Extended Higgs Dynamics via Higgsstrahlung at FCC-ee
AU  - Anisha
AU  - Francisco Arco
AU  - Stefano Di Noi
AU  - Christoph Englert
AU  - Margarete Mühlleitner
PY  - 2026
DA  - 2026/09/03
PB  - arXiv
DO  - 10.48550/arxiv.2609.04039
UR  - https://arxiv.org/abs/2609.04039
AB  - The Future Circular Electron-Positron Collider (FCC-ee) will probe aspects of the Higgs boson and the electroweak scale with unprecedented precision via associated Higgs production with a Z boson. We focus on the Two-Higgs-Doublet Model (2HDM) to frame the FCC-ee's precision constraints within a small, concrete parameter space at next-to-leading order. We demonstrate that the projected precision of the FCC-ee's 240 GeV run will enable a precise analysis of Beyond-the-Standard-Model (BSM)-relevant Higgs-sector interactions near the alignment limit. As the key aspects of the 2HDM that drive deviations of the cross section from its Standard Model expectation (presence of new scalar states, Higgs mixing, and non-trivial inter-Higgs couplings) are also typically present in extensions more complex than the 2HDM, this demonstrates the FCC-ee's indirect potential for unveiling BSM physics around the electroweak scale.
ER  -