Implications of asymptotic safety in two minimal Z-prime models

2025/12/12 by Christopher D. Carone, Carone, Christopher D.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Neutrino Physics Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions

paper · pdf · doi:10.48550/arxiv.2512.12044

openalex publication_date 2025/12/12 · openalex created_date 2025/12/17 · openalex updated_date 2026/07/28

Abstract

We consider the implications of asymptotic safety on two U(1) gauge extensions of the standard model that are minimal in the sense that anomaly cancellation only requires the presence of right-handed neutrinos. We study the UV fixed points of the gauge couplings taking into account kinetic mixing between hypercharge and the new U(1) gauge field. We consider the possibility that the top-bottom mass splitting originates from the effect of differing gauge charges on the nontrivial fixed point values of their respective Yukawa couplings and assess the impact of the extended gauge symmetry on the viability of this picture.

Citations

• Quark and lepton mixing in the asymptotically safe Standard Model
• Stabilizing dark matter with quantum scale symmetry
• Neutrino mass generation in asymptotically safe gravity
• Quark masses and mixings in minimally parameterized UV completions of\n the Standard Model
• An asymptotically safe guide to quantum gravity and matter
• Exact evolution equation for the effective potential

Related

• Super-weak force and neutrino masses
• Right handed neutrino production from Z^′ interactions in forward search experiments
• A flipped U(1)_R extension of the Standard Model
• Minimal Z' models for flavor anomalies
• Addressing R_K and neutrino mixing in a class of U(1)_X models