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Bonn 2020 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 71: Supersymmetry: Theory and searches

T 71.3: Vortrag

Donnerstag, 2. April 2020, 17:00–17:15, H-HS VI

Phenomenology of inflation-inspired supersymmetric models — •Cheng Li1, Steven Paasch1, Wolfgang Hollik2, and Gudrid Moortgat-Pick31DESY, Hamburg, Germany — 2KIT, Karlsruhe, Germany — 3University Hamburg, Hamburg, Germany

The Next-to-Minimal Supersymmetric Standard Model (NMSSM) with an additional singlet of Higgs sector is a well-motivated extension of the Minimal Supersymmetric Standard Model (MSSM). This additional singlet relaxes constraints within the Higgs sector and enlarges the parameter space. In the talk we discuss the µNMSSM model which in addition can be embedded consistently into inflation models. Within in the µNMSSM, we study the scenarios which are intrinsically different from the normal NMSSM. After that we try to replace some input parameters for adapting NMSSMTools to µNMSSM model, and compute the whole spectrum including particles masses, decay widths and mixing matices for specific µNMSSM scenarios. By using the Monte Carlo simulation we check whether the discussed scenarios may be excluded by the experimental limit with CheckMATE. For the allowed scenarios, we focus on the process of the light singlet-like Higgs production, and predict the cross sections with different center-of-mass energy and polarization of initial state at the future electron-positron colliders.

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