SMuK 2023 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 7: Higgs, Di-Higgs I
T 7.2: Vortrag
Montag, 20. März 2023, 16:45–17:00, HSZ/0105
Higgs Pair Production in a Composite 2HDM — Stefania De Curtis1, Luigi Delle Rose2, •Felix Egle3, Stefano Moretti4, Margarete Mühlleitner3, and Kodai Sakurai5 — 1INFN sezione di Firenze and Dipartimento di Fisica e Astronomia, Università di Firenze, Via G. Sansone 1, I-50019, Sesto Fiorentino, Italy — 2Dipartimento di Fisica, Università della Calabria, I-8703 Arcavacata di Rende, Cosenza, Italy — 3Institute for Theoretical Physics, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany — 4School of Physics and Astronomy, University of Southampton, Southampton, SO17 1BJ, United Kingdom — 5Department of Physics, Tohoku University, Sendai, Miyagi 980-8578, Japan
In composite Higgs models the scalar particles in the Higgs sector are not elementary particles, but of composite nature, arising as pseudo Nambu-Goldstone bosons from higher broken symmetries. In a composite 2-Higgs-Doublet Model thus a 2HDM-like structure is generated but with couplings already predetermined by the composite nature of the model. In this talk we present Higgs Pair production in this model via gluon fusion. We give a brief introduction into the model and an overview over the calculation, highlighting the contributing couplings and diagrams. We apply current experimental limits for Di-Higgs production on our results and study differential distributions for specific benchmark scenarios.