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题名: Unitary standard model from spontaneous dimensional reduction and weak boson scattering at the LHC
作者: He, HJ ;  Xianyu, ZZ
刊名: EUROPEAN PHYSICAL JOURNAL PLUS
出版日期: 2013
卷号: 128, 期号:4, 页码:40
关键词: ELECTROWEAK SYMMETRY-BREAKING ;  STRONG W+W+ SCATTERING ;  INTERACTING WW SYSTEM ;  GOLD-PLATED MODES ;  YANG-MILLS THEORY ;  HIGGS-BOSON ;  GAUGE-THEORIES ;  CERN LHC ;  MASSLESS PARTICLES ;  NONSTANDARD HIGGS
学科分类: Physics
通讯作者: He, HJ (reprint author), Tsinghua Univ, Inst Modern Phys, Beijing 100084, Peoples R China.
部门归属: [He, Hong-Jian; Xianyu, Zhong-Zhi] Tsinghua Univ, Inst Modern Phys, Beijing 100084, Peoples R China; [He, Hong-Jian; Xianyu, Zhong-Zhi] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China; [He, Hong-Jian] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China; [He, Hong-Jian] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
英文摘要: Spontaneous dimensional reduction (SDR) is a striking phenomenon predicted by a number of quantum gravity approaches which all indicate that the spacetime dimensions get reduced at high energies. In this work, we formulate an effective theory of electroweak interactions based upon the standard model, incorporating the spontaneous reduction of space-dimensions at TeV scale. The electroweak gauge symmetry is nonlinearly realized with or without a Higgs boson. We demonstrate that the SDR ensures good high-energy behavior and predicts unitary weak boson scattering. For a light Higgs boson of mass 125 GeV, the TeV scale SDR gives a natural solution to the hierarchy problem. Such a light Higgs boson can have induced anomalous gauge couplings from the TeV scale SDR. We find that the corresponding WW scattering cross sections become unitary at TeV scale, but exhibit different behaviors from that of the 4d standard model. These can be discriminated by the WW scattering experiments at the LHC.
资助者: NSF of China [11275101, 10625522, 10635030, 11135003]; 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:000318213200003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15391
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
He, HJ,Xianyu, ZZ. Unitary standard model from spontaneous dimensional reduction and weak boson scattering at the LHC[J]. EUROPEAN PHYSICAL JOURNAL PLUS,2013,128(4):40.
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