OKC BSM meeting (9 November 2023) · Agenda (Indico)

OKC BSM meeting

Thursday, 9 November 2023 - 10:00

Monday, 6 November 2023
Tuesday, 7 November 2023
Wednesday, 8 November 2023
Thursday, 9 November 2023
10:00 First-order phase transitions in Twin Higgs models - Ignacy Nałęcz (Warzaw)
First-order phase transitions in Twin Higgs models
- Ignacy Nałęcz (Warzaw)
10:00 - 10:40
Room: A5:1003 Twin Higgs (TH) is the simplest model that incorporates a mirror matter sector. It naturally achieves a stable electroweak scale and matches the 125 GeV Standard Model (SM) Higgs mass without introducing coloured partners in LHC reach. In the context of TH, the SM-like Higgs boson emerges as a pseudo-Nambu-Goldstone boson of the approximate global symmetry group. In my presentation, I will discuss the scalar phase transition in the Twin Higgs model and demonstrate that, under specific conditions, it can be strongly first-order. This transition may lead to the emission of a stochastic gravitational wave background and provide a framework for explaining the observed baryon asymmetry in the universe.

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