Prospects of the Zee model

2002/01/27 by Yoshio Koide · 2 citations
Physics and Astronomy · #Dark Matter and Cosmic Phenomena #Neutrino Physics Research #Particle physics theoretical and experimental studies #hep-ph

paper · pdf · doi:10.1016/s0920-5632(02)01726-7

published as Nucl.Phys.Proc.Suppl. 111 (2002) 294-296 · 3 pages, no figure, Latex, presented at KEKTC5(Nov. 2001), to be publised in the proceedings

arxiv created 2002/01/27 · openalex publication_date 2002/11/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The Zee model is one of promising models of neutrino mass generation mechanism. However, the original Zee model is not on the framework of the ground unification scenario, and moreover, it is recently pointed out that the predicted value of sin² 2θ_solar must be satisfied the relation sin² 2θ_solar > 0.99. We discuss whether possible GUT versions of the Zee model can be free from the severe constraint sin² 2θ_solar >0.99 or not. We will conclude that the following two models are promising: an R-parity violating SUSY GUT model and an SO(10) model with a 126-plet scalar.

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