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| Main Author: | |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2410.04672 |
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Table of Contents:
- The recent report by the CMS Collaboration on the excess of top and anti-top pair production is examined with regard to the improvement of vacuum stability under two simple scenarios: one with the existence of toponium $(η_t)$, and the other with an additional elementary field $(Ψ)$. In both cases, the values of each coupling constant are restricted by the Multicritical Point Principle (MPP). Two scenarios are considered. The first incorporates the effect of toponium $(η_t)$, inspired by the Bardeen-Hill-Lindner (BHL) framework, and the second embeds $Ψ$ into the Standard Model (SM) as a minimal model close to an inert doublet model. From these analyses, it is found that toponium cannot satisfy the MPP, whereas the additional elementary field can.