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SO(10) grand unification and its path to the Standard Model

Petz, Magnus (2025) SO(10) grand unification and its path to the Standard Model. Master's Thesis / Essay, Physics.

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Abstract

Grand Unified Theories (GUTs) aim to unify the fundamental forces of nature by embedding the Standard Model within a larger symmetry group. Although much of the research on GUTs focuses primarily on theoretical symmetry-breaking patterns, this is not the complete picture. That a symmetry breaking pattern is in principle possible does not mean that it is energetically favorable. In this work, we investigate a scale-invariant SO(10) GUT using a recently proposed numerical method that enables efficient scanning of parameter space for massless models with a single symmetry-breaking step. We implement the procedure introduced by Held et al., validate it by reproducing their key results, and provide high-resolution images and novel diagrams showing parameter space slices that reveal the continuity of allowed symmetry-breaking regions. Our analysis shows that the model can break to the Standard Model gauge group at a scale close to the Standard Model's meta-stability scale, suggesting a natural and highly symmetric extension.

Item Type: Thesis (Master's Thesis / Essay)
Supervisor name: Boer, D. and Bruyn, K.A.M. de
Degree programme: Physics
Thesis type: Master's Thesis / Essay
Language: English
Date Deposited: 11 Jul 2025 14:12
Last Modified: 11 Jul 2025 14:12
URI: https://fse.studenttheses.ub.rug.nl/id/eprint/36170

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