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Lepton flavor violation in supersymmetric SO(10) grand unified models

2000/10/24 by Xiao-Jun Bi, Yuan-Ben Dai, Yuan-Ben Dei +1 · 3 citations
Physics and Astronomy · #Dark Matter and Cosmic Phenomena #Neutrino Physics Research #Particle physics theoretical and experimental studies #hep-ph

paper · pdf · doi:10.1103/physrevd.63.096008

published as Phys.Rev. D63 (2001) 096008 · 26 pages, 10 figures

arxiv created 2000/10/24 · openalex publication_date 2001/04/09 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The study for lepton flavor violation combined with neutrino oscillations may provide more information about the lepton flavor structure of the grand unified theory. In this paper, we study two lepton flavor violation processes \stackrel\ensuremath→\ensuremathτ\ensuremathμ\ensuremathγ and \stackrel\ensuremath→Z\ensuremathτ\ensuremathμ in the context of supersymmetric SO(10) grand unified models. We find the first process is detectable in a quite large supersymmetric parameter space if the experimental sensitivity for this process can reach up to 1\ifmmode×\else\texttimes\fi10^\ensuremath-9. The latter process may be important in some supersymmetric parameter space where the former is suppressed. It is especially important in the region with small tan\ensuremathβ and large scalar lepton masses. However, it is detectable at Giga-Z option of the Tesla project only when the value of tan\ensuremathβ is close to the limit set by the present Higgs boson search experiments.

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