Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 10, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP10(2021)040
Keywords
Beyond Standard Model; Higgs Physics; Technicolor and Composite Models
Categories
Funding
- NExT Institute
- STFC [ST/L000296/1]
- JSPS KAKENHI [JP19K14701, JP21J01070]
- [19K14714]
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In this study, CP-Violation effects in a Composite 2-Higgs Doublet Model were investigated, showing that non-trivial complex phases in interactions can induce CPV effects in the Higgs potential and Yukawa coupling parameters. The analysis also revealed significant CPV effects even with just one complex phase in the strong sector of the model.
We study CP-Violation (CPV) in a Composite 2-Higgs Doublet Model (C2HDM) based on the global symmetry breaking SO(6)/[SO(4) x SO(2)], wherein the strong sector is modeled by a two-site moose structure. Non-trivial complex phases in the interactions involving fermions in both the elementary and strong sectors can induce CPV in the Higgs potential as well as the Yukawa coupling parameters. We compute both of the latter and analyse their dependence upon the aforementioned complex phases. Finally, we discuss physics observables which are distinctive of this model. Even in the simplest case with only one complex phase in the strong sector we can get significant CPV effects.
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