Lepton flavor violation in the supersymmetric grand unified models with a lopsided mass matrix

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	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
发表期刊	PHYSICAL REVIEW D
关键词	Anomalous Magnetic-moment Right-handed Neutrinos Angle Msw Solution Particle Physics E-6 Unification Solar Oscillations Decay Tau->mu-gamma Predictions
摘要	The 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
ISSN	0556-2821
卷号	66 期号:7 页码:-
学科领域	Physics
收录类别	SCI
引用统计	被引频次：25[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.itp.ac.cn/handle/311006/13426
专题	SCI期刊论文
通讯作者	Bi, XJ , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
推荐引用方式 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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