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T: Fachverband Teilchenphysik

T 60: Theorie: Higgs / BSM I

T 60.3: Vortrag

Mittwoch, 21. März 2018, 17:00–17:15, Z6 - SR 1.010

The Axiflavon-Higgs — •Simone Blasi¹, Florian Goertz¹, Tommi Alanne¹, Stefania De Curtis², and Kei Yagyu² — ¹Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Deutschland — ²INFN - Sezione di Firenze, Via G. Sansone 1, 50019 Sesto Fiorentino, Italy

The discovery of the h(125) Higgs boson confirms the Standard Model picture of a scalar particle in charge of the electroweak symmetry breaking. However, the structure of the Higgs sector and its actual role are still unknown. In the spirit of the High Luminosity program at the LHC, we first constrain New Physics scenarios with an extended Higgs sector by inputting a deviation in the h(125) couplings to Standard Model particles. Our aim is to consistently extract the mass scale of the new scalars by imposing theoretical and experimental constraints in three benchmark models: the Higgs Singlet Model, the Two Higgs Doublet Model and the Georgi Machacek Model. Finally, we elaborate on the possible connection between the scalar sector and some of the most compelling open questions in the Standard Model: Dark Matter, strong CP problem and Flavour puzzle.