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题名: Gauge model of quark-lepton nonuniversality
作者: Li, XY ;  Ma, E
刊名: MODERN PHYSICS LETTERS A
出版日期: 2003
卷号: 18, 期号:20, 页码:1367-1375
关键词: GENERATION NONUNIVERSALITY ;  STANDARD MODEL
学科分类: Physics
通讯作者: Li, XY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
部门归属: Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Univ Calif Riverside, Dept Phys, Riverside, CA 92521 USA
英文摘要: We consider a gauge model where quark-lepton universality is an accidental symmetry which is only approximate, in analogy to the well-accepted notion that strong isospin is accidental and approximate. This is a natural framework for explaining possible small deviations of quark-lepton universality which is applicable to the recently reported apparent nonunitarity of the quark mixing matrix. As a result, small departures from quark-lepton universality are expected in Z decays as well as in the recent neutrino data of the NuTeV collaboration and in future low-energy experiments. New physics is predicted at the TeV scale.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000184207800003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13271
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Li, XY,Ma, E. Gauge model of quark-lepton nonuniversality[J]. MODERN PHYSICS LETTERS A,2003,18(20):1367-1375.
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