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题名: Realization of effective supersymmetry with strong unification
作者: Liu, C;  Zhao, ZH
刊名: PHYSICAL REVIEW D
出版日期: 2014
卷号: 89, 期号:5, 页码:57701
关键词: ENERGY GAUGE COUPLINGS ;  ANOMALOUS U(1) ;  STANDARD MODEL ;  FLAVOR PROBLEM ;  BREAKING ;  MASSES ;  NATURALNESS ;  SYMMETRY ;  LIGHT
学科分类: Physics
DOI: 10.1103/PhysRevD.89.057701
通讯作者: Liu, C (reprint author), Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
部门归属: [Liu, Chun] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: A natural model of realizing effective supersymmetry is presented. Two sets of the Standard Model-like gauge group G(1) x G(2) are introduced, where G(i) = SU(3)(i) x SU(2)(i) x U(1)(i), which break diagonally to the Standard Model gauge group at the energy scale M similar to 107 GeV. Gauge couplings in G(1) are assumed to be much larger than those in G(2). Gauge-mediated supersymmetry breaking is adopted. The first two generations (third generation) are only charged only under G(1) (G(2)). The effective supersymmetry spectrum is obtained. The reproduction of realistic Yukawa couplings is studied. The fine-tuning for a 126 GeV Higgs is reduced by the large A term due to direct Higgs-messenger interaction. Finally, G(2) is found to be a nontrivial realization of the strong unification scenario in which case we can predict alpha(s)(M-Z) without real unification.
资助者: National Natural Science Foundation of China [11375248, 10821504]; National Basic Research Program of China [2010CB833000]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000333103700007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15808
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Recommended Citation:
Liu, C,Zhao, ZH. Realization of effective supersymmetry with strong unification[J]. PHYSICAL REVIEW D,2014,89(5):57701.
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