ITP OpenIR  > 理论物理所科研产出  > SCI论文
Bi, XJ; Dai, YB; Bi, XJ , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
Lepton flavor violation in the supersymmetric grand unified models with a lopsided mass matrix
Source PublicationPHYSICAL REVIEW D
KeywordAnomalous Magnetic-moment Right-handed Neutrinos Angle Msw Solution Particle Physics E-6 Unification Solar Oscillations Decay Tau->mu-gamma Predictions
AbstractThe tiny neutrino masses measured in neutrino oscillation experiments can be naturally explained via a supersymmetric seesaw mechanism. If supersymmetry breaking is mediated by gravity, such seesaw models may predict observable lepton flavor violating effects. In this work, we investigate the lepton flavor violating process mu-->egamma in supersymmetric seesaw models with a "lopsided" charged lepton mass matrix. Constraints set by the muon anomalous magnetic moment are taken into account. We find that such models generally predict a branching ratio for mu-->egamma far above the current experimental limit. Thus this process strongly constrains models of this type. Such restrictions suggest a novel form for the charged lepton mass matrix, featuring a "lopsided" structure for elements between both the 2-3 and the 1-3 generations. This structure produces a very small 1-3 mixing and a large 1-2 mixing in the charged lepton sector, leading naturally to a small Br(mu-->egamma) and to the large mixing angle solution for the solar neutrino problem.
2002
ISSN0556-2821
Volume66Issue:7Pages:-
Subject AreaPhysics
Indexed BySCI
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Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13426
Collection理论物理所科研产出_SCI论文
Corresponding AuthorBi, XJ , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
Recommended Citation
GB/T 7714
Bi, XJ,Dai, YB,Bi, XJ , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.. Lepton flavor violation in the supersymmetric grand unified models with a lopsided mass matrix[J]. PHYSICAL REVIEW D,2002,66(7):-.
APA Bi, XJ,Dai, YB,&Bi, XJ , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China..(2002).Lepton flavor violation in the supersymmetric grand unified models with a lopsided mass matrix.PHYSICAL REVIEW D,66(7),-.
MLA Bi, XJ,et al."Lepton flavor violation in the supersymmetric grand unified models with a lopsided mass matrix".PHYSICAL REVIEW D 66.7(2002):-.
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