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Wang, XF; Du, C; He, HJ; He, HJ (reprint author), Tsinghua Univ, Inst Modern Phys, Beijing 100084, Peoples R China.
LHC Higgs signatures from topflavor seesaw mechanism
发表期刊PHYSICS LETTERS B
语种英语
关键词Electroweak Symmetry-breaking Standard Model Massless Particles Broken Symmetries Boson Neutrino Search
摘要We study LHC Higgs signatures from topflavor seesaw realization of electroweak symmetry breaking with a minimal gauge extension SU(2) circle times SU(2) circle times U(1). This elegant renormalizable construction singles out top quark sector (instead of all other light fermions) to join the new SU(2) gauge force. It predicts extra vector-like spectator quarks (T, B), new gauge bosons (W', Z'), and a pair of neutral Higgs bosons (h, H). We demonstrate that for the lighter Higgs boson h of mass 125 GeV, this model predicts modified Higgs signal rates in h -> gamma gamma, WW*, ZZ* channels via gluon fusions, in h -> tau(tau) over bar mode via vector boson fusions, and in h -> b (b) over bar mode via gauge boson associate productions. We perform a global fit for our theory by including both direct search data (LHC and Tevatron) and indirect precision constraints. We further analyze the LHC discovery potential for detecting the heavier Higgs state H. (C) 2013 Elsevier B.V. All rights reserved.
2013
ISSN0370-2693
卷号723期号:4-5页码:314-323
学科领域Physics
收录类别SCI
项目资助者National NSF of China [11275101, 11135003]; National Basic Research Program [2010CB833000] ; National NSF of China [11275101, 11135003]; National Basic Research Program [2010CB833000] ; National NSF of China [11275101, 11135003]; National Basic Research Program [2010CB833000] ; National NSF of China [11275101, 11135003]; National Basic Research Program [2010CB833000]
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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/311006/15342
专题理论物理所科研产出_SCI论文
通讯作者He, HJ (reprint author), Tsinghua Univ, Inst Modern Phys, Beijing 100084, Peoples R China.
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GB/T 7714
Wang, XF,Du, C,He, HJ,et al. LHC Higgs signatures from topflavor seesaw mechanism[J]. PHYSICS LETTERS B,2013,723(4-5):314-323.
APA Wang, XF,Du, C,He, HJ,&He, HJ .(2013).LHC Higgs signatures from topflavor seesaw mechanism.PHYSICS LETTERS B,723(4-5),314-323.
MLA Wang, XF,et al."LHC Higgs signatures from topflavor seesaw mechanism".PHYSICS LETTERS B 723.4-5(2013):314-323.
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