TL;DR
This paper explores the properties and detection strategies for additional scalar bosons in the NMSSM, focusing on how Higgs coupling measurements constrain model parameters and predicting production rates of heavier scalars.
Contribution
It provides a framework to search for light CP-even states in the NMSSM and links Higgs measurements to the model's parameter space with minimal fine-tuning.
Findings
Higgs coupling measurements restrict NMSSM parameters.
Calculated production cross sections for heavier CP-even scalars.
Identified key decay channels for experimental searches.
Abstract
In the motivated hypothesis that the scalar bosons of the Next-to-Minimal Supersymmetric Standard Model (NMSSM) be the lightest new particles around, a possible strategy to search for signs of the extra CP-even states is outlined. It is shown how the measurements of the couplings of the 126 GeV Higgs boson constrain the region of the physical parameters in a generic NMSSM which minimises the fine-tuning of the electroweak scale. We also determine the cross section for the production of a heavier CP-even scalar, together with its most relevant branching ratios.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Cosmology and Gravitation Theories · Dark Matter and Cosmic Phenomena