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T: Fachverband Teilchenphysik

T 26: Higgs physics (theory)

T 26.7: Vortrag

Dienstag, 16. März 2021, 17:30–17:45, Ta

Calculations of one-loop corrections to decays for charged Higgs bosons in NMSSM — Thi Nhung Dao¹, Margarete Mühlleitner², Shruti Patel^2,3, and •Kodai Sakurai^2,4 — ¹Institute For Interdisciplinary Research in Science and Education, ICISE, quy nhon, Vietnam — ²Institute for Theoretical Physics, Karlsruhe Institute of Technology, Karlsruhe, Germany — ³Institute for Nuclear Physics, Karlsruhe Institute of Technology, Karlsruhe, Germany — ⁴Institute for Astroparticle Physics, Karlsruhe Institute of Technology, Karlsruhe, Germany

Despite the discovery of the Higgs boson with a mass of 125 GeV, the structure of the Higgs sector remains unknown. In light of the current situation that a second Higgs boson has not been discovered, indirect searches of such a new particle through observables for Higgs bosons are more and more important. This requires accurate theoretical predictions for such observables in order to compare them with the precision measurements in experiments. In this study, we calculated the full one-loop corrections to the decay widths for various charged Higgs boson decays in the framework of Next-to-Minimal Supersymmetric Model (NMSSM) with CP violation. In this talk, we discuss the impact of the NLO corrections for the branching ratio of each decay mode in a wide range of parameter space that is compatible with the experimental constraints.