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Dortmund 2021 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 51: BSM physics (theory)

T 51.2: Vortrag

Mittwoch, 17. März 2021, 16:15–16:30, Ta

Standard Model Extensions from Asymptotic Safety with Higgs and Flavor PortalsGudrun Hiller1, Clara Hormigos-Feliu2, Daniel Litim3, and •Tom Steudtner1,31Fakultät Physik, TU Dortmund, Otto-Hahn-Str.4, D-44221 Dortmund, Germany — 2INFN, Sezione di Roma P.le A. Moro, 2, I-00185 Roma, Italy — 3Department of Physics and Astronomy, University of Sussex, Brighton, BN19QH, United Kingdom

I present a study of several SM extensions which are free of Landau poles and instabilities until the Planck scale, stabilise the Higgs sector, and allow to accommodate discrepancies of lepton anomalous magnetic moments.

Our models feature a singlet matrix scalar field, three generations of vectorlike leptons, and direct links to the Higgs and flavor sectors via new Yukawa and portal couplings.

I will highlight properties the renormalisation group evolution, important phenomenological implications and some aspects of collider searches.

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