Extension of SUSY SU(5) GUTs with Nelson-Barr models
Junji Hisano, Moe Kuroda
TL;DR
This paper extends supersymmetric SU(5) GUTs with Nelson-Barr models to address the strong CP problem, successfully reproducing CKM matrix parameters and explaining certain mass ratios.
Contribution
It introduces a minimal extension of SUSY SU(5) GUTs incorporating Nelson-Barr models to solve the strong CP problem and match observed quark and lepton mass ratios.
Findings
Reproduces CKM matrix parameters
Explains mass ratios of down-type quarks and leptons
Provides a minimal extension to SUSY SU(5) GUTs
Abstract
In this paper we extend the supersymmetric SU(5) GUTs with the Nelson-Barr (NB) models. The NB models are a candidate for the solution of the strong CP problem. We show that the parameters in the CKM matrix are reproduced while the mass ratios of the down-type quarks and leptons in the second and third generations are explained in the minimal extension.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Black Holes and Theoretical Physics · Quantum Chromodynamics and Particle Interactions