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:20260724T094023Z UID:1b30de7f-6126-4fda-ae75-ef024984d03e SEQUENCE:2 CREATED:20251114T091358Z DESCRIPTION:This dissertation presents an analysis of the scalar sector of two different Three Higgs Doublet Models that are invariant under the dis crete symmetries Σ(36) and Δ(54). The study focuses on different Vacuum Expectation Value alignments and the mass spectra associated with each mod el. For every case\, the effect of introducing Soft Breaking Parameters is examined\, along with their implications on the physical properties of th e models. The work also investigates the decay channels of the Higgs boson s and identifies a dark matter candidate. Finally\, the phenomenological c onsequences of these models are discussed\, including the possibility of D omain Wall formation\, which motivates further investigation in future wor k. LAST-MODIFIED:20251114T091409Z LOCATION:Online URL:http://df.vps.tecnico.ulisboa.pt/pt/eventos/multi-higgs-doublet-models -and-softly-broken-symmetries/ X-ALT-DESC;FMTTYPE=text/html:

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

For every case\, the effect of introducing Soft Breaking Parameters is examined\, along wit h their implications on the physical properties of the models. The work al so investigates the decay channels of the Higgs bosons and identifies a da rk 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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