BEGIN:VCALENDAR VERSION:2.0 PRODID:-//linuxsoftware.nz//NONSGML Joyous v1.4//EN BEGIN:VEVENT SUMMARY:Multi-Higgs Doublet Models and softly-broken symmetries DTSTART:20251117T090000Z DTEND:20251117T110000Z DTSTAMP:20260801T143950Z UID:1b30de7f-6126-4fda-ae75-ef024984d03e SEQUENCE:1 CREATED:20251114T091340Z DESCRIPTION: This dissertation presents an analysis of the scalar sector o f two different Three Higgs Doublet Models that are invariant under the di screte symmetries Σ(36) and Δ(54). The study focuses on different Vacuum Expectation Value alignments and the mass spectra associated with each mo del. For every case\, the effect of introducing Soft Breaking Parameters i s examined\, along with their implications on the physical properties of t he models. The work also investigates the decay channels of the Higgs boso ns and identifies a dark matter candidate. Finally\, the phenomenological consequences of these models are discussed\, including the possibility of Domain Wall formation\, which motivates further investigation in future wo rk. LAST-MODIFIED:20251114T091340Z LOCATION:Online URL:http://df.vps.tecnico.ulisboa.pt/en/events/multi-higgs-doublet-models- and-softly-broken-symmetries/ X-ALT-DESC;FMTTYPE=text/html:

This dissertation presents an analysis of the scalar sector of two different Three Higgs Dou blet Models that are invariant under the discrete symmetries Σ(36) and Δ (54). The study focuses on different Vacuum Expectation Value alignments a nd the mass spectra associated with each model.

For every case\, the effect of introducing Soft Breaking Parameters is examined\, along wi th their implications on the physical properties of the models. The work a lso investigates the decay channels of the Higgs bosons and identifies a d ark matter candidate. Finally\, the phenomenological consequences of these models are discussed\, including the possibility of Domain Wall formation \, which motivates further investigation in future work.

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