A Clockwork Solution to the Doublet-Triplet Splitting Problem
Gero von Gersdorff
TL;DR
This paper introduces a novel clockwork mechanism to address the doublet-triplet splitting problem in GUTs, enabling large hierarchies from order-one parameters and resolving issues with gauge unification and proton decay.
Contribution
It proposes a new clockwork-based approach to solve the doublet-triplet splitting problem in grand unified theories, maintaining perturbativity up to the Planck scale.
Findings
Successfully generates large Higgs mass hierarchies from order-one parameters.
Removes tension between gauge coupling unification and proton decay constraints.
Maintains perturbative unification up to the Planck scale.
Abstract
Maybe the biggest puzzle in grand unified theories (GUTs) is the apparent large splitting of the doublet and triplet Higgs masses. We suggest a novel mechanism to solve this puzzle, which relies on the clockwork mechanism to generate large hierarchies from order-one numbers. The tension between gauge coupling unification and proton lifetime from minimal SU(5) GUTs is also removed in this scenario, and the theory remains perturbative until the Planck scale.
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