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题名: LHC signatures of two-Higgs-doublets with fourth family
作者: Chen, N ;  He, HJ
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2012
期号: 4, 页码:62
关键词: ELECTROWEAK SYMMETRY-BREAKING ;  MODEL HIGGS-BOSON ;  STANDARD MODEL ;  MASSLESS PARTICLES ;  BROKEN SYMMETRIES ;  PP COLLISIONS ;  ROOT-S=7 TEV ;  DECAYS ;  SEARCHES
学科分类: Physics
通讯作者: Chen, N (reprint author), Tsinghua Univ, Inst Modern Phys, Beijing 100084, Peoples R China.
部门归属: [Chen, Ning; He, Hong-Jian] Tsinghua Univ, Inst Modern Phys, Beijing 100084, Peoples R China; [Chen, Ning; He, Hong-Jian] 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: On-going Higgs searches in the light mass window are of vital importance for testing the Higgs mechanism and probing new physics beyond the standard model (SM). The latest ATLAS and CMS searches for the SM Higgs boson at the LHC (7TeV) found some intriguing excesses of events in the gamma gamma/VV* channels (V - Z, W) around the mass-range of 124 - 126 GeV. We explore a possible explanation of the gamma gamma and VV* signals from the light CP-odd Higgs A(0) or CP-even Higgs h(0) from the general two-Higgs-doublet model with fourth-family fermions. We demonstrate that by including invissible decays of the higgs boson A(0) or h(0) to fouth-family neutrinos, the predicted gamma gamma and VV* signals can explain the observed new signatures at the LHC, and will be further probed by the forthcoming LHC runs in 2012.
资助者: NSF of China [10625522, 10635030, 11135003]; National Basic Research Program of China [2010CB833000]; Tsinghua University
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000304146600062
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15122
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Chen, N,He, HJ. LHC signatures of two-Higgs-doublets with fourth family[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(4):62.
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