BSM patterns in scalar-sector coupling modifiers

Christoph Englert (School of Physics & Astronomy, University of Glasgow, University Avenue, Glasgow, G12 8QQ, United Kingdom) ; Wrishik Naskar (School of Physics & Astronomy, University of Glasgow, University Avenue, Glasgow, G12 8QQ, United Kingdom) ; Dave Sutherland (School of Physics & Astronomy, University of Glasgow, University Avenue, Glasgow, G12 8QQ, United Kingdom)

We consider what multiple Higgs interactions may yet reveal about the scalar sector. We estimate the sensitivity of a Feynman topology-templated analysis of weak boson fusion Higgs pair production at present and future colliders — where the signal is a function of the Higgs coupling modifiers κ V , κ 2V , and κ λ . While measurements are statistically limited at the LHC, they are under general perturbative control at present and future colliders, departures from the SM expectation give rise to a significant future potential for BSM discrimination in κ 2V . We explore the landscape of BSM models in the space of deviations in κ V , κ 2V , and κ λ , highlighting models that have measurable order-of-magnitude enhancements in either κ 2V or κ λ , relative to their deviation in the single Higgs coupling κ V .

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      "source": "Springer", 
      "value": "We consider what multiple Higgs interactions may yet reveal about the scalar sector. We estimate the sensitivity of a Feynman topology-templated analysis of weak boson fusion Higgs pair production at present and future colliders \u2014 where the signal is a function of the Higgs coupling modifiers \u03ba  V , \u03ba 2V , and \u03ba  \u03bb . While measurements are statistically limited at the LHC, they are under general perturbative control at present and future colliders, departures from the SM expectation give rise to a significant future potential for BSM discrimination in \u03ba 2V . We explore the landscape of BSM models in the space of deviations in \u03ba  V , \u03ba 2V , and \u03ba  \u03bb , highlighting models that have measurable order-of-magnitude enhancements in either \u03ba 2V  or \u03ba  \u03bb , relative to their deviation in the single Higgs coupling \u03ba  V ."
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Published on:
22 November 2023
Publisher:
Springer
Published in:
Journal of High Energy Physics , Volume 2023 (2023)
Issue 11
Pages 1-33
DOI:
https://doi.org/10.1007/JHEP11(2023)158
arXiv:
2307.14809
Copyrights:
The Author(s)
Licence:
CC-BY-4.0

Fulltext files: