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High Energy Physics - Phenomenology

arXiv:2308.11722 (hep-ph)
[Submitted on 22 Aug 2023]

Title:Non-linear top-Higgs CP violation

Authors:Akanksha Bhardwaj, Christoph Englert, Dorival Gonçalves, Alberto Navarro
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Abstract:Searches for additional sources of CP violation at the Large Hadron Collider are a central part of the Higgs physics programme beyond the Standard Model. Studies employing so-called signed observables that track CP violation through purpose-built asymmetries bolster efforts based on Higgs boson rate analyses under clear assumptions. A possibility, which is so far unexplored at the LHC, is a significant non-linear realisation of CP-violation, which is naturally described in non-linear Higgs Effective Field Theory (HEFT). We perform an analysis of the HL-LHC potential to constrain such interactions considering a large range of single and double Higgs production processes, including differential information where this is statistically and theoretically possible. A particular emphasis of our work is distinguishing expected correlations in the Standard Model Effective Field Theory from those attainable in HEFT.
Comments: 10 pages, 6 figures
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:2308.11722 [hep-ph]
  (or arXiv:2308.11722v1 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.2308.11722

Submission history

From: Akanksha Bhardwaj [view email]
[v1] Tue, 22 Aug 2023 18:24:02 UTC (6,942 KB)
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