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DISCRETE 2024 in Ljubljana

Dec 2 – 6, 2024
Europe/Zurich timezone

Session

Flavour and CP violation 4

Dec 4, 2024, 5:45 PM
Urška 4 (Exhibition and Convention center)

Urška 4

Exhibition and Convention center

Dunajska cesta 18, 1000 Ljubljana, Slovenia

Presentation materials

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  1. 59. Spontaneous CP Violation and Flavor Changing Neutral Currents in Minimal SO(10)
    Xiyuan Gao (KIT, Karlsruhe, TTP)
    12/4/24, 5:45 PM
    Parallel track
    Parallel Session Talk

    We explore spontaneous CP violation (SCPV) in the minimal non-supersymmetric SO(10) grand unified theory (GUT), with a scalar sector comprising a CP-even $45_H$, a $126_H$, and a complex $10_H$. All renormalizable couplings are real due to CP symmetry, and the Kobayashi-Maskawa phase arises solely from complex electroweak vacuum expectation values. The model requires an additional Higgs...

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  2. 75. Light states in real multi-Higgs models with spontaneous CP violation
    Daniel Queiroz Correa
    12/4/24, 6:00 PM
    Parallel track
    Parallel Session Talk

    In models with extended scalar sectors that include multiple Higgs doublets responsible for spontaneous electroweak symmetry breaking, it may appear that the numerous dimensionful quadratic terms in the scalar potential could support a scenario where, aside from the would-be Goldstone bosons and a neutral Higgs-like particle, all additional scalars acquire masses well above the electroweak...

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  3. 73. Extending the SM with vector-like quarks: consequences for CKM unitarity and CP violation
    José Filipe Bastos (CFTP, Instituto Superior Técnico, Universidade de Lisboa)
    12/4/24, 6:15 PM
    Parallel track
    Parallel Session Talk

    Although, a fourth chiral generation of fermions is excluded by experimental data, the possibility of extending the SM with vector-like quarks, where both chiral components transform the same way under SU(2)_L, has not been ruled out. In fact, these fields are present in a great variety of NP models, from GUTs to solutions to the strong CP problem.
    Moreover, introducing VLQs leads to the loss...

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  4. 107. Test of light-lepton universality in τ-decays at Belle II
    Paul Feichtinger (Austrian Academy of Sciences (AT))
    12/4/24, 6:30 PM
    Parallel track
    Parallel Session Talk
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