New Minimal SO(10) GUT : A Theory for All Epochs
Charanjit S. Aulakh

TL;DR
This paper presents an evolved supersymmetric SO(10) GUT model that fits low energy data, addresses proton decay issues, predicts distinctive sparticle spectra, and connects to inflationary cosmology and flavor physics.
Contribution
It introduces a realistic SO(10) GUT framework that suppresses proton decay, incorporates inflation, and links to flavor physics with detailed threshold calculations.
Findings
Suppressed proton decay via Higgs dissolution edge
Predicted distinctive sparticle spectra
Possible accommodation of measurable tensor perturbations
Abstract
The Supersymmetric SO(10) theory ("NMSO(10)GUT") based on the\hfil\break Higgs system proposed in 1982 has evolved into a realistic theory capable of fitting the known low energy Particle Physics data besides providing a Dark matter candidate and embedding Inflationary Cosmology. It dynamically resolves longstanding issues such as fast dimension five operator mediated proton decay in Susy GUTs by allowing explicit and complete calculation of crucial threshold effects at and in terms of fundamental parameters. This shows that SO(10) Yukawas responsible for observed fermion masses as well as operator dimension 5 mediated proton decay can be highly suppressed on a "Higgs dissolution edge" in the parameter space of GUTs with rich superheavy spectra. This novel and generically relevant result highlights the need for every realistic UV completion…
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